Difference between revisions of "Pluto"
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| − | The dwarf [[planet]] '''Pluto''', named for the [[Roman]] [[god]] of the [[Underworld]], was discovered by [[American]] [[astronomy|astronomer]] [[Clyde Tombaugh]] | + | The dwarf [[planet]] '''Pluto''', named for the [[Roman]] [[god]] of the [[Underworld]], was discovered in 1930 by [[American]] [[astronomy|astronomer]] [[Clyde Tombaugh]]. In 2006, the [[International Astronomers Union]] demoted Pluto from the status of a planet to that of a dwarf planet, although this was controversial because the organization has no accountability to the American public, who don't understand what the purpose of the IAU was in 'demoting' Pluto. Recently there have been efforts to restore Pluto's status as a planet.<ref>http://www.courant.com/features/lifestyle/hc-pluto.artmar15,0,4959275.story?coll=hc-headlines-life</ref> Pluto has at least three [[moon]]s, the largest of which is [[Charon]]. It is believed by scientists that Pluto's second moon is hollow. |
| − | Pluto is the largest known [[ | + | Pluto is the second-largest known [[dwarf planet]] in the solar system and the tenth largest observed body directly orbiting the [[Sun]].{{fact}} |
==References== | ==References== | ||
Revision as of 14:13, May 11, 2007
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The dwarf planet Pluto, named for the Roman god of the Underworld, was discovered in 1930 by American astronomer Clyde Tombaugh. In 2006, the International Astronomers Union demoted Pluto from the status of a planet to that of a dwarf planet, although this was controversial because the organization has no accountability to the American public, who don't understand what the purpose of the IAU was in 'demoting' Pluto. Recently there have been efforts to restore Pluto's status as a planet.[1] Pluto has at least three moons, the largest of which is Charon. It is believed by scientists that Pluto's second moon is hollow.
Pluto is the second-largest known dwarf planet in the solar system and the tenth largest observed body directly orbiting the Sun.[Citation Needed]