the definition would be quite simple: “A planet is a sub-stellar mass body that has never undergone nuclear fusion and that has sufficient self-gravitation to assume a spheroidal shape adequately described by a triaxial ellipsoid regardless ...
From there, everything went as any scientist would have predicted. Originally Mike Brown was put forward as the discover of the tenth planet (for, if Pluto was a planet, so too was the virtually identical Eris). He recognized the absurdity of that and quashed it like a bug. There would ...
again been thrown into an age-old debate about what is and what is not a planet. One of many sizeable hunks of rock and ice in the Kuiper Belt, Eris has resisted easy classification and inspired much controversy over the definition of planethood. But, Pluto itself has been subject to ...
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网易云音乐是一款专注于发现与分享的音乐产品,依托专业音乐人、DJ、好友推荐及社交功能,为用户打造全新的音乐生活。
Is Pluto a Planet?Explores the planet Pluto. Definition of a planet; Distinction with planetary bodies; Advancement in planetary science.Stern, AlanOdyssey
Why can’t astronomers decide on whether or not Pluto is a planet? Everyday Einstein explains the controversy about our faraway neighbor
A 2017 proposal defined a planet as "a round object in space that's smaller than a star." This would make Pluto a planet again, but it would do the same to the Earth's moon as well as many other moons in the solar system, and bring the total number of officially recognized planets...
专辑:Is Pluto A Planet?流派:流行 立即播放 收藏(34) 分享 下载歌曲 作曲:Graham Stiefel You're a little crazy in your personality I'm a little quirky so you're kinda like me Baby take my hand This ain't rocket surgery We can ditch our plans Talk about important things Like it's pluto...
(IAU) in Prague, by a majority vote of only the 424 members present, the IAU (an organization of over 10,000 members) passed a resolution defining planet in such a way as to exclude Pluto and established a new class of objects in the solar system to be called 'dwarf planets', which...