01-31-2021, 11:12 PM
Is like a thin layer of clay -
one side footprints
the other smooth as glass.
Notes:
1) https://www.lpi.usra.edu/science/kring/C...%20history.
one side footprints
the other smooth as glass.
Notes:
1) https://www.lpi.usra.edu/science/kring/C...%20history.

