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
firedog45785년 이하Poor pluto- Boi6년 이상Kinda creeped out by that
- ASHLEI6년 이상LOVE VENUS
- kensley약 7년it has blood on the planet ahhhhhhh
- firedog45785년 이하Wow, I can see that lol
- X약 7년Go Pluto!
- john8년 이하its cool
neena1237년 이상yeah its so much helpful and has a lot of helpful information!!!!!!:)
- them8년 이하Sounds okay but i'm not all for it (we have to memorize these) :( leave a like if you agree. :)
- lit8년 이하best teax ever
- hi8년 이하cool
- Death star 8년 이하awesome