A recent research proposes a unique explanation for the permafrost-locked water discovered on the lunar surface: what if it was grabbed from Earth's upper atmosphere? Three thousand cubic kilometers of water have gone from the Earth to the moon.
Since the moon and Earth formed at around the same time and from almost the same elements, astronomers have turned to our only natural satellite for answers about the Earth's earliest times, which have been wiped by its active geology.
The Ear...
