This Day in History: Pluto Gets Demoted (2006)

This Day in History:
Pluto Gets Demoted (2006)

Although it was recognized as a planet for decades, Pluto is much smaller than the other planets in our solar system and more closely resembles a giant comet nucleus. Consequently, the International Astronomical Union demoted Pluto to the category of dwarf planet, which reflected astronomers’ conclusion that it is a member of the Kuiper belt, a strip of billions of icy bodies orbiting the Sun beyond the orbit of Neptune. What objects in the outer region of the solar system exceed Pluto in size? More…: https://play.google.com/store/apps/details?id=com.tfd.mobile.TfdSearch

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