Scientists Propose Redefining Planets To Include Pluto And Over 100 Celestial Bodies
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In 2006, the International Astronomical Union (IAU), which promotes and safeguards the science of astronomy, passed a resolution that classified all bodies (except satellites) in our solar system into three distinct categories – planets, dwarf planets, and Small Solar System Bodies. To qualify as a planet, the body had to orbit around the sun, have sufficient mass for its self-gravity to pull it into a round shape, and have cleared the neighborhood around its orbit. Since Pluto did not meet the third criterion, it was downgraded to a dwarf planet.
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지금 학습 시작하기댓글 263개
firedog45784년 이상Poor pluto- Boi6년 이하Kinda creeped out by that
- ASHLEI약 6년LOVE VENUS
- kensley6년 이상it has blood on the planet ahhhhhhh
- firedog45784년 이상Wow, I can see that lol
- X6년 이상Go Pluto!
- john약 7년its cool
neena123약 7년yeah its so much helpful and has a lot of helpful information!!!!!!:)
- them7년 이상Sounds okay but i'm not all for it (we have to memorize these) :( leave a like if you agree. :)
- lit7년 이상best teax ever
- hi7년 이상cool
- Death star 7년 이상awesome