Moon Marbles Hint at Lunar Depths

Moon Marbles Hint at Lunar Depths

The lunar surface is pocked with the scars of asteroids that have battered it for millennia. The heat generated by these cosmic collisions melted rocks lying on the moon’s face. As the minerals in the melted rock cooled and coalesced, they formed glass beads. Now, a batch of such glass beads recovered from lunar soil samples collected by the Chinese National Space Administration’s Chang’e-5 moon mission in 2020 are yielding insights into the mys…