The solar system is composed of the sun, eight major planets, five dwarf planets, over a hundred moons, and countless comets ...
On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...
The discovery of ancient water in a planet-forming disk reveals that some of the water found in comets—and maybe even ...
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