Billions of years ago, lakes of lava on the surface of the moon eventually dried to form the vast dark patches—the lunar maria—visible today on the lunar nearside. Now, thanks to rock samples recently returned to Earth by China’s Chang’e 5 mission, scientists have a new estimate for when one of the last of those lava flows ran dry.
Click here for original story, Newly returned moon rock samples chronicle the dying days of lunar volcanism
Source: Phys.org