The shadow of the Blue Ghost spacecraft after it landed on the moon, with Earth in the distance. Blue Ghost just completed its mission, which lasted a full lunar day — two Earth weeks — on the near ...
"These relics are effectively fossils of the planet formation process, holding vital clues to deciphering the history of our solar system." ...
Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.
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