来自MSN11 个月
Dwarf Planets at Our Solar System's Frozen Edge Could Be Hiding Warm Oceans
The Solar System doesn't get much colder than the Kuiper Belt. Out past the orbit of Pluto, far from the warmth of the Sun, drifts a vast expanse of icy rocks and dwarf planets thought too cold to ...
Twisted Sifter on MSN4 个月
What Exactly Are Dwarf Planets And How Many Of Them Are There?
Pluto was no longer considered a planet and instead became the most famous dwarf planet in the solar system. The IAU’s ...