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	<title>pluto Archives - Good News!</title>
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	<title>pluto Archives - Good News!</title>
	<link>https://goodnewsplanet.com/tag/pluto/</link>
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	<item>
		<title>GoodNewsLetter: Ups and Downs of Life &#8211; Good News Broadcast Channel Pilot</title>
		<link>https://goodnewsplanet.com/goodnewsletter-ups-and-downs-of-life-good-news-broadcast-channel-pilot/</link>
		
		<dc:creator><![CDATA[Austin Tang]]></dc:creator>
		<pubDate>Fri, 08 Mar 2024 16:57:04 +0000</pubDate>
				<category><![CDATA[Good News To Go]]></category>
		<category><![CDATA[Newsletter]]></category>
		<category><![CDATA[angeles]]></category>
		<category><![CDATA[broadcast]]></category>
		<category><![CDATA[channel]]></category>
		<category><![CDATA[concert]]></category>
		<category><![CDATA[day]]></category>
		<category><![CDATA[downs]]></category>
		<category><![CDATA[earth]]></category>
		<category><![CDATA[good]]></category>
		<category><![CDATA[happiness]]></category>
		<category><![CDATA[la]]></category>
		<category><![CDATA[life]]></category>
		<category><![CDATA[los]]></category>
		<category><![CDATA[nations]]></category>
		<category><![CDATA[news]]></category>
		<category><![CDATA[pilot]]></category>
		<category><![CDATA[pluto]]></category>
		<category><![CDATA[reel]]></category>
		<category><![CDATA[sizzle]]></category>
		<category><![CDATA[square]]></category>
		<category><![CDATA[times]]></category>
		<category><![CDATA[tv]]></category>
		<category><![CDATA[un]]></category>
		<category><![CDATA[united]]></category>
		<category><![CDATA[ups]]></category>
		<category><![CDATA[Water]]></category>
		<guid isPermaLink="false">https://goodnewsplanet.com/?p=84026</guid>

					<description><![CDATA[<p>https://pausetheworldforpeace.org/2024/03/08/pluto-tv-pilot/ We worked very hard on this and looking to present it next week in LA. Wish us all luck, because as you know, Your Good News is Our Good News.” So everyone will be part of our new channel, so get ready and go create some Good News Video!!! We love you. Also please mark your calendars &#8230;</p>
<p>The post <a href="https://goodnewsplanet.com/goodnewsletter-ups-and-downs-of-life-good-news-broadcast-channel-pilot/">GoodNewsLetter: Ups and Downs of Life &#8211; Good News Broadcast Channel Pilot</a> appeared first on <a href="https://goodnewsplanet.com">Good News!</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p style="text-align: center;"><a href="https://goodnewsplanet.com/wp-content/uploads/2024/03/newsletter_03_08_24.jpg"><img fetchpriority="high" decoding="async" class="size-full wp-image-84027 aligncenter" src="https://goodnewsplanet.com/wp-content/uploads/2024/03/newsletter_03_08_24.jpg" alt="" width="430" height="452" srcset="https://goodnewsplanet.com/wp-content/uploads/2024/03/newsletter_03_08_24.jpg 430w, https://goodnewsplanet.com/wp-content/uploads/2024/03/newsletter_03_08_24-285x300.jpg 285w" sizes="(max-width: 430px) 100vw, 430px" /></a></p>
<p><a href="https://pausetheworldforpeace.org/2024/03/08/pluto-tv-pilot/" target="_blank" rel="noopener noreferrer"><strong>https://pausetheworldforpeace.org/2024/03/08/pluto-tv-pilot/</strong></a></p>
<p><strong>We worked very hard on this and looking to present it next week in LA. Wish us all luck, because as you know, Your Good News is Our Good News.” So everyone will be part of our new channel, so get ready and go create some Good News Video!!!</strong></p>
<p><strong>We love you. Also please mark your calendars for the UN World Water Day on March 22, 2024, where we will have a live/taped virtual broadcast to recognize the UN World Water Day. We will share a link shortly on where to watch it from.</strong></p>
<p><strong>Then mark your calendars again for Earth Day on April 22, 2024, as we are planning a major broadcast from Times Square as we did last year. As we do with all our programs, WE SHARE THE GOOD NEWS, AND WE WILL SHARE THE GOOD NEWS FOR MOTHER EARTH. Here is last year’s broadcast sizzle reel and the entire broadcast:</strong></p>
<p><strong>Earth Day Broadcast 2023 from Times Square Sizzle Reel: </strong></p>
<p><a href="https://pausetheworldforpeace.org/2023/06/07/earth-water-day-4-22-23-times-square-sizzle-reel/" target="_blank" rel="noopener noreferrer"><strong>https://pausetheworldforpeace.org/2023/06/07/earth-water-day-4-22-23-times-square-sizzle-reel/</strong></a></p>
<p><strong>Earth Day Broadcast 2023 from Times Square, the entire show:</strong></p>
<p><a href="https://goodnewsplanet.com/2023-earth-water-day-times-square-concert/"><strong>https://goodnewsplanet.com/2023-earth-water-day-times-square-concert/</strong></a></p>
<p>&nbsp;</p>
<p style="text-align: center;"><span style="color: #ff0000;"><strong>OUR CONTENT IS YOUR CONTENT</strong></span></p>
<p style="text-align: center;"><strong>MBC is celebrating our 39th year as a Tech-Enabled Disruptive Multicultural Content, Products and Service Company. We are proud of our past multicultural marketing efforts working with Citibank, American and Delta Airlines, Citibank, Sprint, US Postal Service, Western Union and major Ad Agencies. Then our </strong><a href="http://www.youtube.com/goodnewsbroadcast%20starting%20in%201998" target="_blank" rel="noopener noreferrer"><strong>www.youtube.com/goodnewsbroadcast starting in 1998</strong></a><strong>, also our </strong><a href="http://www.goodnewsplanet.tv/" target="_blank" rel="noopener noreferrer"><strong>www.goodnewsplanet.TV</strong></a><strong> and our nonprofit 501 C 3 Corporation, Good News Corporation, est. 2002, with our </strong><a href="http://www.pausetheworldforpeace.org/" target="_blank" rel="noopener noreferrer"><strong>www.pausetheworldforpeace.org</strong></a><strong> outreach.</strong></p>
<p style="text-align: center;"><strong>I, Paul, am celebrating my 54 years in the TV business. 14 years with CBS and PBS/Channel 13 TV, working on over 150 Network Shows including All in the Family, Carol Burnett, Sonny and Cher, Price is Right, Captain Kangaroo, Love of Life Soap, Sinatra on CBS and the Nature and Brain Series on PBS/Channel 13. Lucky me!  </strong></p>
<p style="text-align: center;"><strong>Please put a hold on our Times Square Events: 4/22/24 Earth Day TBD with a Focus on Water and Climate Conditions and 9/21 International Day of Peace. </strong></p>
<p style="text-align: center;"><span style="color: #ff0000;"><strong>Lastly, HAPPY AND HEALTHY NEW YEAR&#8230; WE ARE BLESSED, STAY WELL, HEALTH IS WEALTH.</strong></span></p>
<p>&nbsp;</p>
<p style="text-align: center;"><strong>“All we are is what we are with each other.” Zeal </strong></p>
<p style="text-align: center;"><strong>With Respect. Love and May Peace Prevail on Earth,  For Information Contact: </strong></p>
<p style="text-align: center;"><strong>Reverend Paul Sladkus, All Faiths and Spiritual,</strong></p>
<p style="text-align: center;"><strong>Founder, </strong><strong>and our Good News and Peace Worldwide Team </strong></p>
<p style="text-align: center;"><strong>Milestone Broadcast Corporation</strong></p>
<p style="text-align: center;"><strong> </strong><a href="http://www.goodnewsplanet.tv/" target="_blank" rel="noopener noreferrer"><strong>www.</strong></a><a href="http://www.goodnewsplanet.tv/" target="_blank" rel="noopener noreferrer"><strong>goodnewsplanet.TV,  </strong></a><a href="http://www.youtube.com/goodnewsbroadcast" target="_blank" rel="noopener noreferrer"><strong>www.youtube.com/goodnewsbroadcast </strong></a></p>
<p style="text-align: center;"><strong>Good News Corporation, 501 C 3, </strong><a href="http://www.pausetheworldforpeace.org/" target="_blank" rel="noopener noreferrer"><strong>www.pausetheworldforpeace.org</strong></a><strong>,</strong></p>
<p style="text-align: center;"><a href="mailto:paul.sladkus1@gmail.com" target="_blank" rel="noopener noreferrer"><strong>paul.sladkus1@gmail.com</strong></a><strong> </strong></p>
<p style="text-align: center;"><strong><span style="color: #ff0000;">LET’S GROW TOGETHER. GOOD NEWS MOTTO: ALL WE ARE IS WHAT WE ARE WITH EACH OTHER. ZEAL</span></strong></p>
<p style="text-align: center;"><span style="color: #ff0000;"><strong> </strong></span></p>
<p style="text-align: center;"><span style="color: #ff0000;"><strong>For more information contact: </strong></span></p>
<p style="text-align: center;"><span style="color: #ff0000;"><strong>Reverend Paul Sladkus, All Faiths and Spiritual 212 647 1212</strong></span></p>
<p style="text-align: center;"><span style="color: #ff0000;"><strong>New York, NY, Montauk, NY</strong></span></p>
<p style="text-align: center;"><span style="color: #ff0000;"><strong> </strong></span></p>
<p style="text-align: center;"><span style="color: #ff0000;"><strong>PS – SPECIAL OPPORTUNITY FOR OUR FRIENDS AND MEMBERS: Looking for a vacation rental, SHORT TERM, in Montauk, here is our listing</strong> </span><a href="https://goodnewsplanet.com/montauk-manor-rental-suite-403-paul-sladkus/" target="_blank" rel="noopener noreferrer"><strong>https://goodnewsplanet.com/montauk-manor-rental-suite-403-paul-sladkus/</strong></a> <strong>call me. Paul 917 687 1790</strong></p>
<p><a class="a2a_button_facebook" href="https://www.addtoany.com/add_to/facebook?linkurl=https%3A%2F%2Fgoodnewsplanet.com%2Fgoodnewsletter-ups-and-downs-of-life-good-news-broadcast-channel-pilot%2F&amp;linkname=GoodNewsLetter%3A%20Ups%20and%20Downs%20of%20Life%20%E2%80%93%20Good%20News%20Broadcast%20Channel%20Pilot" title="Facebook" rel="nofollow noopener" target="_blank"></a><a class="a2a_button_twitter" href="https://www.addtoany.com/add_to/twitter?linkurl=https%3A%2F%2Fgoodnewsplanet.com%2Fgoodnewsletter-ups-and-downs-of-life-good-news-broadcast-channel-pilot%2F&amp;linkname=GoodNewsLetter%3A%20Ups%20and%20Downs%20of%20Life%20%E2%80%93%20Good%20News%20Broadcast%20Channel%20Pilot" title="Twitter" rel="nofollow noopener" target="_blank"></a><a class="a2a_dd addtoany_share_save addtoany_share" href="https://www.addtoany.com/share#url=https%3A%2F%2Fgoodnewsplanet.com%2Fgoodnewsletter-ups-and-downs-of-life-good-news-broadcast-channel-pilot%2F&#038;title=GoodNewsLetter%3A%20Ups%20and%20Downs%20of%20Life%20%E2%80%93%20Good%20News%20Broadcast%20Channel%20Pilot" data-a2a-url="https://goodnewsplanet.com/goodnewsletter-ups-and-downs-of-life-good-news-broadcast-channel-pilot/" data-a2a-title="GoodNewsLetter: Ups and Downs of Life – Good News Broadcast Channel Pilot"><img src="http://goodnewsplanet.com/images/lg-share-en.gif" alt="Share"></a></p><p>The post <a href="https://goodnewsplanet.com/goodnewsletter-ups-and-downs-of-life-good-news-broadcast-channel-pilot/">GoodNewsLetter: Ups and Downs of Life &#8211; Good News Broadcast Channel Pilot</a> appeared first on <a href="https://goodnewsplanet.com">Good News!</a>.</p>
]]></content:encoded>
					
		
		
		<post-id xmlns="com-wordpress:feed-additions:1">84026</post-id>	</item>
		<item>
		<title>Pluto TV Pilot&#8230;</title>
		<link>https://goodnewsplanet.com/pluto-tv-pilot/</link>
		
		<dc:creator><![CDATA[Austin Tang]]></dc:creator>
		<pubDate>Fri, 08 Mar 2024 16:00:10 +0000</pubDate>
				<category><![CDATA[Good News To Go]]></category>
		<category><![CDATA[pluto]]></category>
		<category><![CDATA[tv]]></category>
		<guid isPermaLink="false">https://goodnewsplanet.com/?p=84024</guid>

					<description><![CDATA[<p>Listen to &#8220;Pluto TV Pilot&#8230;&#8221; on Spreaker.</p>
<p>The post <a href="https://goodnewsplanet.com/pluto-tv-pilot/">Pluto TV Pilot&#8230;</a> appeared first on <a href="https://goodnewsplanet.com">Good News!</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><iframe width="750" height="480" src="https://www.youtube.com/embed/RJUIcRv5kzM?si=9xAzco0bQbGLGjok" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe><br />
<a class="spreaker-player" href="https://www.spreaker.com/episode/pluto-tv-pilot--58972612" data-resource="episode_id=58972612" data-width="100%" data-height="200px" data-theme="light" data-playlist="false" data-playlist-continuous="false" data-chapters-image="true" data-episode-image-position="right" data-hide-logo="false" data-hide-likes="false" data-hide-comments="false" data-hide-sharing="false" data-hide-download="true">Listen to &#8220;Pluto TV Pilot&#8230;&#8221; on Spreaker.</a></p>
<p><a class="a2a_button_facebook" href="https://www.addtoany.com/add_to/facebook?linkurl=https%3A%2F%2Fgoodnewsplanet.com%2Fpluto-tv-pilot%2F&amp;linkname=Pluto%20TV%20Pilot%E2%80%A6" title="Facebook" rel="nofollow noopener" target="_blank"></a><a class="a2a_button_twitter" href="https://www.addtoany.com/add_to/twitter?linkurl=https%3A%2F%2Fgoodnewsplanet.com%2Fpluto-tv-pilot%2F&amp;linkname=Pluto%20TV%20Pilot%E2%80%A6" title="Twitter" rel="nofollow noopener" target="_blank"></a><a class="a2a_dd addtoany_share_save addtoany_share" href="https://www.addtoany.com/share#url=https%3A%2F%2Fgoodnewsplanet.com%2Fpluto-tv-pilot%2F&#038;title=Pluto%20TV%20Pilot%E2%80%A6" data-a2a-url="https://goodnewsplanet.com/pluto-tv-pilot/" data-a2a-title="Pluto TV Pilot…"><img src="http://goodnewsplanet.com/images/lg-share-en.gif" alt="Share"></a></p><p>The post <a href="https://goodnewsplanet.com/pluto-tv-pilot/">Pluto TV Pilot&#8230;</a> appeared first on <a href="https://goodnewsplanet.com">Good News!</a>.</p>
]]></content:encoded>
					
		
		
		<post-id xmlns="com-wordpress:feed-additions:1">84024</post-id>	</item>
		<item>
		<title>Currently Electromagnetic sounds from various planets.  Do listen, it&#8217;s amazing</title>
		<link>https://goodnewsplanet.com/currently-electromagnetic-sounds-from-various-planets/</link>
		
		<dc:creator><![CDATA[Austin Tang]]></dc:creator>
		<pubDate>Tue, 01 Mar 2022 02:25:32 +0000</pubDate>
				<category><![CDATA[Environment and Nature]]></category>
		<category><![CDATA[Nature]]></category>
		<category><![CDATA[Peace]]></category>
		<category><![CDATA[earth]]></category>
		<category><![CDATA[environment]]></category>
		<category><![CDATA[jupiter]]></category>
		<category><![CDATA[nature]]></category>
		<category><![CDATA[neptune]]></category>
		<category><![CDATA[peace]]></category>
		<category><![CDATA[planets]]></category>
		<category><![CDATA[pluto]]></category>
		<category><![CDATA[sounds]]></category>
		<category><![CDATA[uranus]]></category>
		<guid isPermaLink="false">https://goodnewsplanet.com/?p=77117</guid>

					<description><![CDATA[<p>Listen to &#8220;Currently Electromagnetic sounds from various planets. Do listen, it&#8217;s amazing&#8221; on Spreaker. ﻿ #nature #planets #sounds #environment #peace #pluto #neptune #uranus #jupiter #earth</p>
<p>The post <a href="https://goodnewsplanet.com/currently-electromagnetic-sounds-from-various-planets/">Currently Electromagnetic sounds from various planets.  Do listen, it&#8217;s amazing</a> appeared first on <a href="https://goodnewsplanet.com">Good News!</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><a class="spreaker-player" href="https://www.spreaker.com/episode/48903316" data-resource="episode_id=48903316" data-width="100%" data-height="200px" data-theme="light" data-playlist="false" data-playlist-continuous="false" data-chapters-image="true" data-episode-image-position="right" data-hide-logo="false" data-hide-likes="false" data-hide-comments="false" data-hide-sharing="false" data-hide-download="true">Listen to &#8220;Currently Electromagnetic sounds from various planets. Do listen, it&#8217;s amazing&#8221; on Spreaker.</a></p>
<p><iframe title="YouTube video player" src="https://www.youtube.com/embed/Lxvn92nskG8" width="750" height="480" frameborder="0" allowfullscreen="allowfullscreen"><span data-mce-type="bookmark" style="display: inline-block; width: 0px; overflow: hidden; line-height: 0;" class="mce_SELRES_start">﻿</span></iframe></p>
<p><a href="https://goodnewsplanet.com/wp-content/uploads/2022/02/pluto_img1.jpg"><img loading="lazy" decoding="async" class="alignnone size-medium wp-image-77118" src="https://goodnewsplanet.com/wp-content/uploads/2022/02/pluto_img1-300x200.jpg" alt="" width="300" height="200" /></a></p>
<p>#nature #planets #sounds #environment #peace #pluto #neptune #uranus #jupiter #earth</p>
<p><a class="a2a_button_facebook" href="https://www.addtoany.com/add_to/facebook?linkurl=https%3A%2F%2Fgoodnewsplanet.com%2Fcurrently-electromagnetic-sounds-from-various-planets%2F&amp;linkname=Currently%20Electromagnetic%20sounds%20from%20various%20planets.%20%20Do%20listen%2C%20it%E2%80%99s%20amazing" title="Facebook" rel="nofollow noopener" target="_blank"></a><a class="a2a_button_twitter" href="https://www.addtoany.com/add_to/twitter?linkurl=https%3A%2F%2Fgoodnewsplanet.com%2Fcurrently-electromagnetic-sounds-from-various-planets%2F&amp;linkname=Currently%20Electromagnetic%20sounds%20from%20various%20planets.%20%20Do%20listen%2C%20it%E2%80%99s%20amazing" title="Twitter" rel="nofollow noopener" target="_blank"></a><a class="a2a_dd addtoany_share_save addtoany_share" href="https://www.addtoany.com/share#url=https%3A%2F%2Fgoodnewsplanet.com%2Fcurrently-electromagnetic-sounds-from-various-planets%2F&#038;title=Currently%20Electromagnetic%20sounds%20from%20various%20planets.%20%20Do%20listen%2C%20it%E2%80%99s%20amazing" data-a2a-url="https://goodnewsplanet.com/currently-electromagnetic-sounds-from-various-planets/" data-a2a-title="Currently Electromagnetic sounds from various planets.  Do listen, it’s amazing"><img src="http://goodnewsplanet.com/images/lg-share-en.gif" alt="Share"></a></p><p>The post <a href="https://goodnewsplanet.com/currently-electromagnetic-sounds-from-various-planets/">Currently Electromagnetic sounds from various planets.  Do listen, it&#8217;s amazing</a> appeared first on <a href="https://goodnewsplanet.com">Good News!</a>.</p>
]]></content:encoded>
					
		
		
		<post-id xmlns="com-wordpress:feed-additions:1">77117</post-id>	</item>
		<item>
		<title>ICE ON PLUTO&#8230;</title>
		<link>https://goodnewsplanet.com/ice-on-pluto/</link>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Fri, 17 Jul 2015 17:24:59 +0000</pubDate>
				<category><![CDATA[Good News To Go]]></category>
		<category><![CDATA[Science and Technology]]></category>
		<category><![CDATA[The Water Hour]]></category>
		<category><![CDATA[Today's Good News]]></category>
		<category><![CDATA[ice]]></category>
		<category><![CDATA[pluto]]></category>
		<guid isPermaLink="false">http://goodnewsplanet.com/?p=47164</guid>

					<description><![CDATA[<p>The Water Hour Special Report thanks to Wikipedia.  Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond Neptune. It was the first Kuiper belt object to be discovered. It is the largest and second-most-massive known dwarf planet in the Solar System and the ninth-largest and tenth-most-massive known object directly orbiting theSun. It is the &#8230;</p>
<p>The post <a href="https://goodnewsplanet.com/ice-on-pluto/">ICE ON PLUTO&#8230;</a> appeared first on <a href="https://goodnewsplanet.com">Good News!</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><a href="http://goodnewsplanet.com/wp-content/uploads/2015/07/pluto_ice_1.jpg"><img loading="lazy" decoding="async" class="alignleft size-large wp-image-47165" src="http://goodnewsplanet.com/wp-content/uploads/2015/07/pluto_ice_1-1024x576.jpg" alt="pluto_ice_1" width="600" height="338" srcset="https://goodnewsplanet.com/wp-content/uploads/2015/07/pluto_ice_1-1024x576.jpg 1024w, https://goodnewsplanet.com/wp-content/uploads/2015/07/pluto_ice_1-300x169.jpg 300w" sizes="auto, (max-width: 600px) 100vw, 600px" /></a></p>
<p><strong>The Water Hour Special Report thanks to Wikipedia. </strong></p>
<p><strong>Pluto</strong> (<a href="https://en.wikipedia.org/wiki/Minor-planet_designation">minor-planet designation</a>: <strong>134340 Pluto</strong>) is a <a href="https://en.wikipedia.org/wiki/Dwarf_planet">dwarf planet</a> in the <a href="https://en.wikipedia.org/wiki/Kuiper_belt">Kuiper belt</a>, a ring of <a href="https://en.wikipedia.org/wiki/Trans-Neptunian_object">bodies beyond Neptune</a>. It was the first Kuiper belt object to be discovered. It is the largest and second-most-massive known dwarf planet in the <a href="https://en.wikipedia.org/wiki/Solar_System">Solar System</a> and the ninth-largest and tenth-most-massive known object directly orbiting the<a href="https://en.wikipedia.org/wiki/Sun">Sun</a>. It is the largest known trans-Neptunian object by volume but is less massive than <a href="https://en.wikipedia.org/wiki/Eris_(dwarf_planet)">Eris</a>, a dwarf planet in the<a href="https://en.wikipedia.org/wiki/Scattered_disc">scattered disc</a>. Like other Kuiper belt objects, Pluto is primarily made of ice and rock<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Wiley-2005-21">[14]</a></sup> and is relatively small—about one-sixth the mass of the <a href="https://en.wikipedia.org/wiki/Moon">Moon</a> and one-third its volume. It has a moderately <a href="https://en.wikipedia.org/wiki/Orbital_eccentricity">eccentric</a> and inclined orbit during which it ranges from 30 to 49 <a href="https://en.wikipedia.org/wiki/Astronomical_unit">astronomical units</a> (4.4–7.3 billion km) from the Sun. This means that Pluto periodically comes closer to the Sun than <a href="https://en.wikipedia.org/wiki/Neptune">Neptune</a>, but a stable <a href="https://en.wikipedia.org/wiki/Orbital_resonance">orbital resonance</a> with Neptune prevents them from colliding. In 2014, Pluto was 32.6 <a href="https://en.wikipedia.org/wiki/Astronomical_unit">AU</a> from the Sun. Light from the Sun takes about 5.5 hours to reach Pluto at its average distance (39.4 AU).<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-lighttraveltime-22">[15]</a></sup></p>
<p>Pluto was discovered in 1930 by <a href="https://en.wikipedia.org/wiki/Clyde_Tombaugh">Clyde Tombaugh</a>, and was originally considered the <a href="https://en.wikipedia.org/wiki/Planets_beyond_Neptune">ninth planet</a> from the Sun. After 1992, its status as a <a href="https://en.wikipedia.org/wiki/Planet">planet</a> fell into question following the discovery of several objects of similar size in the Kuiper belt. In 2005, Eris, which is 27% more massive than Pluto, was discovered, which led the <a href="https://en.wikipedia.org/wiki/International_Astronomical_Union">International Astronomical Union</a> (IAU) <a href="https://en.wikipedia.org/wiki/IAU_definition_of_planet">to define the term &#8220;planet&#8221; formally for the first time</a> the following year.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-hubblesite2007.2F24-23">[16]</a></sup> This definition excluded Pluto and reclassified it as a member of the new &#8220;<a href="https://en.wikipedia.org/wiki/Dwarf_planet">dwarf planet</a>&#8221; category (and specifically as a <a href="https://en.wikipedia.org/wiki/Plutoid">plutoid</a>).<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-BBC-Akwagyiram_2005-08-02-24">[17]</a></sup> Some astronomers believe Pluto should still be considered a planet.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Gray_2008-08-10-25">[18]</a><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-chihuahuaisdog-26">[19]</a><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-News.discovery.com-27">[20]</a></sup></p>
<p>Pluto has <a href="https://en.wikipedia.org/wiki/Moons_of_Pluto">five known moons</a>: <a href="https://en.wikipedia.org/wiki/Charon_(moon)">Charon</a> (the largest, with a diameter just over half that of Pluto), <a href="https://en.wikipedia.org/wiki/Styx_(moon)">Styx</a>, <a href="https://en.wikipedia.org/wiki/Nix_(moon)">Nix</a>,<a href="https://en.wikipedia.org/wiki/Kerberos_(moon)">Kerberos</a>, and <a href="https://en.wikipedia.org/wiki/Hydra_(moon)">Hydra</a>.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Showalter-28">[21]</a></sup> Pluto and Charon are sometimes considered a <a href="https://en.wikipedia.org/wiki/Binary_system_(astronomy)">binary system</a> because the <a href="https://en.wikipedia.org/wiki/Barycenter">barycenter</a>of their orbits does not lie within either body.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Olkin_2003-29">[22]</a></sup> The IAU has not formalized a definition for binary dwarf planets, and Charon is officially classified as a <a href="https://en.wikipedia.org/wiki/Natural_satellite">moon</a> of Pluto.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-IAU_Pluto-30">[23]</a></sup></p>
<p>On 14 July 2015, the <em><a href="https://en.wikipedia.org/wiki/New_Horizons">New Horizons</a></em> <a href="https://en.wikipedia.org/wiki/Spacecraft">spacecraft</a> became the first spacecraft to <a href="https://en.wikipedia.org/wiki/Planetary_flyby">fly by</a> Pluto.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-NYT-20150714-kc-31">[24]</a><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-AP-20150714-32">[25]</a></sup> During its brief flyby, <em>New Horizons</em> made detailed measurements and observations of Pluto and its moons.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-NYT-20150706-33">[26]</a></sup></p>
<h2>History</h2>
<h3>Discovery</h3>
<p><em>Further information: <a href="https://en.wikipedia.org/wiki/Planets_beyond_Neptune">Planets beyond Neptune</a></em></p>
<p>In the 1840s, <a href="https://en.wikipedia.org/wiki/Urbain_Le_Verrier">Urbain Le Verrier</a> used <a href="https://en.wikipedia.org/wiki/Classical_mechanics">Newtonian mechanics</a> to predict the position of the then-undiscovered planet <a href="https://en.wikipedia.org/wiki/Neptune">Neptune</a> after analysing perturbations in the orbit of <a href="https://en.wikipedia.org/wiki/Uranus">Uranus</a>.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-34">[27]</a></sup> Subsequent observations of Neptune in the late 19th century led astronomers to speculate that Uranus&#8217;s orbit was being disturbed by another planet besides Neptune.</p>
<p>In 1906, <a href="https://en.wikipedia.org/wiki/Percival_Lowell">Percival Lowell</a>—a wealthy Bostonian who had founded the <a href="https://en.wikipedia.org/wiki/Lowell_Observatory">Lowell Observatory</a> in <a href="https://en.wikipedia.org/wiki/Flagstaff,_Arizona">Flagstaff, Arizona</a>, in 1894—started an extensive project in search of a possible ninth planet, which he termed &#8220;<a href="https://en.wikipedia.org/wiki/Planet_X">Planet X</a>&#8220;.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Tombaugh1946-35">[28]</a></sup> By 1909, Lowell and <a href="https://en.wikipedia.org/wiki/William_Henry_Pickering">William H. Pickering</a> had suggested several possible celestial coordinates for such a planet.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Hoyt-36">[29]</a></sup> Lowell and his observatory conducted his search until his death in 1916, but to no avail. Unknown to Lowell, his surveys had captured two faint images of Pluto on 19 March and 7 April 1915, but they were not recognized for what they were.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Hoyt-36">[29]</a><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Littman1990-37">[30]</a></sup> There are fourteen other known <a href="https://en.wikipedia.org/wiki/Precovery">prediscovery</a> observations, with the oldest made by the <a href="https://en.wikipedia.org/wiki/Yerkes_Observatory">Yerkes Observatory</a> on 20 August 1909.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-BuchwaldDimarioWild2000-38">[31]</a></sup></p>
<p>Discovery photographs of Pluto</p>
<p>Because of a ten-year legal battle with Constance Lowell, Percival&#8217;s widow, who attempted to wrest the observatory&#8217;s million-dollar portion of his legacy for herself, the search for Planet X did not resume until 1929,<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-FOOTNOTECroswell199750-39">[32]</a></sup> when its director, <a href="https://en.wikipedia.org/wiki/Vesto_Melvin_Slipher">Vesto Melvin Slipher</a>, summarily handed the job of locating Planet X to <a href="https://en.wikipedia.org/wiki/Clyde_Tombaugh">Clyde Tombaugh</a>, a 23-year-old <a href="https://en.wikipedia.org/wiki/Kansas">Kansan</a> who had just arrived at the Lowell Observatory after Slipher had been impressed by a sample of his astronomical drawings.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-FOOTNOTECroswell199750-39">[32]</a></sup></p>
<p>Tombaugh&#8217;s task was to systematically image the night sky in pairs of photographs, then examine each pair and determine whether any objects had shifted position. Using a <a href="https://en.wikipedia.org/wiki/Blink_comparator">blink comparator</a>, he rapidly shifted back and forth between views of each of the plates to create the illusion of movement of any objects that had changed position or appearance between photographs. On 18 February 1930, after nearly a year of searching, Tombaugh discovered a possible moving object on photographic plates taken on 23 and 29 January of that year. A lesser-quality photograph taken on 21 January helped confirm the movement.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-FOOTNOTECroswell199752-40">[33]</a></sup> After the observatory obtained further confirmatory photographs, news of the discovery was telegraphed to the <a href="https://en.wikipedia.org/wiki/Harvard_College_Observatory">Harvard College Observatory</a> on 13 March 1930.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Hoyt-36">[29]</a></sup></p>
<h3>Name</h3>
<p><em>See also: <a href="https://en.wikipedia.org/wiki/Venetia_Burney">Venetia Burney</a></em></p>
<p>The discovery made headlines across the globe. The <a href="https://en.wikipedia.org/wiki/Lowell_Observatory">Lowell Observatory</a>, which had the right to name the new object, received over 1,000 suggestions from all over the world, ranging from Atlas to Zymal.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-pluto_guide-41">[34]</a></sup> Tombaugh urged Slipher to suggest a name for the new object quickly before someone else did.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-pluto_guide-41">[34]</a></sup> Constance Lowell proposed <em><a href="https://en.wikipedia.org/wiki/Zeus">Zeus</a></em>, then <em>Percival</em> and finally <em>Constance</em>. These suggestions were disregarded.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Mager-42">[35]</a></sup></p>
<p>The name Pluto, after the <a href="https://en.wikipedia.org/wiki/Pluto_(mythology)">god of the underworld</a>, was proposed by <a href="https://en.wikipedia.org/wiki/Venetia_Burney">Venetia Burney</a> (1918–2009), a then eleven-year-old schoolgirl in <a href="https://en.wikipedia.org/wiki/Oxford">Oxford</a>, England, who was interested in <a href="https://en.wikipedia.org/wiki/Classical_mythology">classical mythology</a>.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Venetia-43">[36]</a></sup> She suggested it in a conversation with her grandfather <a href="https://en.wikipedia.org/wiki/Falconer_Madan">Falconer Madan</a>, a former librarian at the <a href="https://en.wikipedia.org/wiki/University_of_Oxford">University of Oxford</a>&#8216;s<a href="https://en.wikipedia.org/wiki/Bodleian_Library">Bodleian Library</a>, who passed the name to astronomy professor <a href="https://en.wikipedia.org/wiki/Herbert_Hall_Turner">Herbert Hall Turner</a>, who cabled it to colleagues in the United States.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Venetia-43">[36]</a></sup></p>
<p>The object was officially named on 24 March 1930.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-The_Times_27_May_1930-44">[37]</a><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-NYTimes_25_May_1930-45">[38]</a></sup> Each member of the Lowell Observatory was allowed to vote on a short-list of three: <a href="https://en.wikipedia.org/wiki/Minerva">Minerva</a> (which was already the name for an asteroid), <a href="https://en.wikipedia.org/wiki/Cronus">Cronus</a> (which had lost reputation through being proposed by the unpopular astronomer <a href="https://en.wikipedia.org/wiki/Thomas_Jefferson_Jackson_See">Thomas Jefferson Jackson See</a>), and Pluto. Pluto received every vote.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-FOOTNOTECroswell199754.E2.80.9355-46">[39]</a></sup> The name was announced on 1 May 1930.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Venetia-43">[36]</a></sup> Upon the announcement, Madan gave Venetia £5 (equivalent to £300, or $450 USD in 2015),<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-inflation-UK-47">[40]</a></sup> as a reward.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Venetia-43">[36]</a></sup></p>
<p>The choice of name was partly inspired by the fact that the first two letters of <em>Pluto</em> are the initials of Percival Lowell. Pluto&#8217;s <a href="https://en.wikipedia.org/wiki/Astronomical_symbol">astronomical symbol</a> (, <a href="https://en.wikipedia.org/wiki/Unicode">Unicode</a>U+2647, ♇) was then created as a <a href="https://en.wikipedia.org/wiki/Monogram">monogram</a> constructed from the letters &#8216;PL&#8217;.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-JPL.2FNASA_Pluto.27s_Symbol-48">[41]</a></sup> Pluto&#8217;s <a href="https://en.wikipedia.org/wiki/Astrological_symbol">astrological symbol</a> resembles that of <a href="https://en.wikipedia.org/wiki/Neptune">Neptune</a> (), but has a circle in place of the middle prong of the trident ().</p>
<p>The name was soon embraced by wider culture. In 1930, <a href="https://en.wikipedia.org/wiki/Walt_Disney">Walt Disney</a> was apparently inspired by it when he introduced for <a href="https://en.wikipedia.org/wiki/Mickey_Mouse">Mickey Mouse</a> a canine companion named <a href="https://en.wikipedia.org/wiki/Pluto_(Disney)">Pluto</a>, although <a href="https://en.wikipedia.org/wiki/The_Walt_Disney_Company">Disney</a> animator <a href="https://en.wikipedia.org/wiki/Ben_Sharpsteen">Ben Sharpsteen</a> could not confirm why the name was given.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Heinrichs2006-49">[42]</a></sup> In 1941, <a href="https://en.wikipedia.org/wiki/Glenn_T._Seaborg">Glenn T. Seaborg</a> named the newly created<a href="https://en.wikipedia.org/wiki/Chemical_element">element</a> <a href="https://en.wikipedia.org/wiki/Plutonium">plutonium</a> after Pluto, in keeping with the tradition of naming elements after newly discovered planets, following <a href="https://en.wikipedia.org/wiki/Uranium">uranium</a>, which was named after <a href="https://en.wikipedia.org/wiki/Uranus">Uranus</a>, and <a href="https://en.wikipedia.org/wiki/Neptunium">neptunium</a>, which was named after <a href="https://en.wikipedia.org/wiki/Neptune">Neptune</a>.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-ClarkHobart2000-50">[43]</a></sup></p>
<p>Most languages use the name &#8220;Pluto&#8221; in various transliterations.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-51">[h]</a></sup> In Japanese, <a href="https://en.wikipedia.org/wiki/Houei_Nojiri">Houei Nojiri</a> suggested the translation <em>Meiōsei</em> (冥王星<sup><a href="https://en.wikipedia.org/wiki/Help:Installing_Japanese_character_sets"><strong>?</strong></a></sup>, &#8220;Star of the King (God) of the Underworld&#8221;), and this was borrowed into Chinese, Korean, and Vietnamese.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-RenshawIhara2000-52">[44]</a><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-nineplan-53">[45]</a><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Bathrobe-54">[46]</a></sup> Some <a href="https://en.wikipedia.org/wiki/Languages_of_India">Indian languages</a> use the name Pluto, but others, such as <a href="https://en.wikipedia.org/wiki/Hindi">Hindi</a>, use the name of <em><a href="https://en.wikipedia.org/wiki/Yama">Yama</a></em>, the Guardian of Hell in <a href="https://en.wikipedia.org/wiki/Hindu">Hindu</a> and <a href="https://en.wikipedia.org/wiki/Yama_(East_Asia)">Buddhist</a> mythology, as does Vietnamese.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-nineplan-53">[45]</a></sup> <a href="https://en.wikipedia.org/wiki/Polynesian_languages">Polynesian languages</a> also tend to use the indigenous god of the underworld, as in <a href="https://en.wikipedia.org/wiki/Maori_language">Maori</a> <em><a href="https://en.wikipedia.org/wiki/Whiro">Whiro</a></em>.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-nineplan-53">[45]</a></sup></p>
<h3>Planet X disproved</h3>
<p>Once found, Pluto&#8217;s faintness and lack of a resolvable disc cast doubt on the idea that it was Lowell&#8217;s <a href="https://en.wikipedia.org/wiki/Planets_beyond_Neptune">Planet X</a>.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Tombaugh1946-35">[28]</a></sup> Estimates of Pluto&#8217;s mass were revised downward throughout the 20th century.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-55">[47]</a></sup></p>
<table>
<tbody>
<tr>
<td colspan="3"><strong>Mass estimates for Pluto</strong></td>
</tr>
<tr>
<td><strong>Year</strong></td>
<td><strong>Mass</strong></td>
<td><strong>Estimate by</strong></td>
</tr>
<tr>
<td>1931</td>
<td>1 Earth</td>
<td><a href="https://en.wikipedia.org/wiki/Seth_Barnes_Nicholson">Nicholson</a> &amp; <a href="https://en.wikipedia.org/wiki/Nicholas_U._Mayall">Mayall</a><sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-RAS1931.91-56">[48]</a><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Nicholson_et_al_1930-57">[49]</a><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Nicholson_et_al_1931-58">[50]</a></sup></td>
</tr>
<tr>
<td>1948</td>
<td>0.1 (1/10) Earth</td>
<td><a href="https://en.wikipedia.org/wiki/Gerard_Kuiper">Kuiper</a><sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Kuiper_10.1086.2F126255-59">[51]</a></sup></td>
</tr>
<tr>
<td>1976</td>
<td>0.01 (1/100) Earth</td>
<td><a href="https://en.wikipedia.org/wiki/Dale_Cruikshank">Cruikshank</a>, Pilcher, &amp; <a href="https://en.wikipedia.org/wiki/David_Morrison_(astrophysicist)">Morrison</a><sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-FOOTNOTECroswell199757-60">[52]</a></sup></td>
</tr>
<tr>
<td>1978</td>
<td>0.002 (1/500) Earth</td>
<td><a href="https://en.wikipedia.org/wiki/James_W._Christy">Christy</a> &amp; <a href="https://en.wikipedia.org/wiki/Robert_Sutton_Harrington">Harrington</a><sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-ChristyHarrington1978-61">[53]</a></sup></td>
</tr>
<tr>
<td>2006</td>
<td>0.00218 (1/459) Earth</td>
<td><a href="https://en.wikipedia.org/wiki/Marc_W._Buie">Buie</a> et al.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-BuieGrundyYoung_2006-11">[8]</a></sup></td>
</tr>
<tr>
<td><strong>2015</strong></td>
<td>0.00220 (1/455) Earth</td>
<td><a href="https://en.wikipedia.org/wiki/New_Horizons">New Horizons</a> <sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-62">[54]</a></sup></td>
</tr>
</tbody>
</table>
<p>Astronomers initially calculated its mass based on its presumed effect on Neptune and Uranus. In 1931, Pluto was calculated to be roughly the mass of Earth, with further calculations in 1948 bringing the mass down to roughly that of Mars.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Nicholson_et_al_1930-57">[49]</a><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Kuiper_10.1086.2F126255-59">[51]</a></sup> In 1976, Dale Cruikshank, Carl Pilcher and David Morrison of the <a href="https://en.wikipedia.org/wiki/University_of_Hawaii">University of Hawaii</a> calculated Pluto&#8217;s <a href="https://en.wikipedia.org/wiki/Albedo#Astronomical_albedo">albedo</a> for the first time, finding that it matched that for <a href="https://en.wikipedia.org/wiki/Methane">methane</a> ice; this meant Pluto had to be exceptionally luminous for its size and therefore could not be more than 1 percent the mass of Earth.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-FOOTNOTECroswell199757-60">[52]</a></sup> (Pluto&#8217;s albedo is 1.3–2.0 times greater than that of Earth.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Pluto_Fact_Sheet-3">[3]</a></sup>)</p>
<p>In 1978, the discovery of Pluto&#8217;s moon <a href="https://en.wikipedia.org/wiki/Charon_(moon)">Charon</a> allowed the measurement of Pluto&#8217;s mass for the first time: roughly 0.2% that of Earth, and far too small to account for the discrepancies in the orbit of Uranus. Subsequent searches for an alternative Planet X, notably by <a href="https://en.wikipedia.org/wiki/Robert_Sutton_Harrington">Robert Sutton Harrington</a>,<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-SeidelmannHarrington1988-63">[55]</a></sup> failed. In 1992, <a href="https://en.wikipedia.org/wiki/E._Myles_Standish">Myles Standish</a> used data from <em><a href="https://en.wikipedia.org/wiki/Voyager_2">Voyager 2</a>&#8216;</em>s flyby of <a href="https://en.wikipedia.org/wiki/Neptune">Neptune</a> in 1989, which had revised the estimates of Neptune&#8217;s mass downward by 0.5%—an amount comparable to the mass of Mars—to recalculate its gravitational effect on Uranus. With the new figures added in, the discrepancies, and with them the need for a Planet X, vanished.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Standish1993-64">[56]</a></sup> Today, the majority of scientists agree that Planet X, as Lowell defined it, does not exist.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Standage2000-65">[57]</a></sup> Lowell had made a prediction of Planet X&#8217;s orbit and position in 1915 that was fairly close to Pluto&#8217;s actual orbit and its position at that time; <a href="https://en.wikipedia.org/wiki/Ernest_W._Brown">Ernest W. Brown</a> concluded soon after Pluto&#8217;s discovery that this was a coincidence,<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Tenn1994-66">[58]</a></sup> a view still held today.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Standish1993-64">[56]</a></sup></p>
<h3>Classification</h3>
<p><em>Further information: <a href="https://en.wikipedia.org/wiki/Definition_of_planet">Definition of planet</a></em></p>
<p>Artistic comparison of <strong>Pluto</strong>, <a href="https://en.wikipedia.org/wiki/Eris_(dwarf_planet)">Eris</a>, <a href="https://en.wikipedia.org/wiki/Makemake">Makemake</a>,<a href="https://en.wikipedia.org/wiki/Haumea">Haumea</a>, <a href="https://en.wikipedia.org/wiki/90377_Sedna">Sedna</a>, <a href="https://en.wikipedia.org/wiki/(225088)_2007_OR10">2007 OR<sub>10</sub></a>, <a href="https://en.wikipedia.org/wiki/50000_Quaoar">Quaoar</a>, <a href="https://en.wikipedia.org/wiki/90482_Orcus">Orcus</a>, and <a href="https://en.wikipedia.org/wiki/Earth">Earth</a>.</p>
<p>This box:</p>
<ul>
<li><a href="https://en.wikipedia.org/wiki/Template:TNO_imagemap">view</a></li>
<li><a href="https://en.wikipedia.org/wiki/Template_talk:TNO_imagemap">talk</a></li>
<li><a href="https://en.wikipedia.org/w/index.php?title=Template:TNO_imagemap&amp;action=edit">edit</a></li>
</ul>
<p>&nbsp;</p>
<p>From 1992 onward, many bodies were discovered orbiting in the same area as Pluto, showing that Pluto is part of a population of objects called the <a href="https://en.wikipedia.org/wiki/Kuiper_belt">Kuiper belt</a>. This made its official status as a planet controversial, with many questioning whether Pluto should be considered together with or separately from its surrounding population. Museum and planetarium directors occasionally created controversy by omitting Pluto from planetary models of the Solar System. The <a href="https://en.wikipedia.org/wiki/Hayden_Planetarium">Hayden Planetarium</a> reopened—in February 2000, after renovation—with a model of only eight planets, which made headlines almost a year later.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-Tyson2001-67">[59]</a></sup></p>
<p>As objects increasingly closer in size to Pluto were discovered in the region, it was argued that Pluto should be reclassified as one of the Kuiper belt objects, just as <a href="https://en.wikipedia.org/wiki/Ceres_(dwarf_planet)">Ceres</a>, <a href="https://en.wikipedia.org/wiki/2_Pallas">Pallas</a>, <a href="https://en.wikipedia.org/wiki/3_Juno">Juno</a> and <a href="https://en.wikipedia.org/wiki/4_Vesta">Vesta</a> eventually lost their planet status after the discovery of many other <a href="https://en.wikipedia.org/wiki/Asteroid">asteroids</a>. On 29 July 2005, the discovery of a new <a href="https://en.wikipedia.org/wiki/Trans-Neptunian_object">trans-Neptunian object</a>, <a href="https://en.wikipedia.org/wiki/Eris_(dwarf_planet)">Eris</a>, was announced, which was thought to be substantially larger than Pluto. This was the largest object discovered in the Solar System since <a href="https://en.wikipedia.org/wiki/Triton_(moon)">Triton</a> in 1846. Its discoverers and the press initially called it the<a href="https://en.wikipedia.org/wiki/Tenth_planet">tenth planet</a>, although there was no official consensus at the time on whether to call it a planet.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-NASA-JPL_press_release_07-29-2005-68">[60]</a></sup> Others in the astronomical community considered the discovery the strongest argument for reclassifying Pluto as a minor planet.<sup><a href="https://en.wikipedia.org/wiki/Pluto#cite_note-what-69">[61]</a></sup></p>
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