10
Problems with the Condensation Model:
Why is the moon so different than the earth?
3.7
3.94
Mars
3.3
3.36
Moon
4.1
5.515
Earth
4.0
5.24
Venus
5.3
5.43
Mercury
rUncompressed
rCompressed
Planet
Moon has too low a density:  Is missing large iron core
Moon is also missing volatile elements
Moon otherwise looks chemically like the earth