 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
H2O from comets and wet asteroids
mixed later?
|
|
|
|
|
|
Lunar
origin
|
|
|
|
|
Bulk
composition of moon like earths mantle
|
|
|
|
|
Isotopic
composition also very similar
|
|
|
|
|
But is missing all the volatile elements (H in H2O,
etc.)
|
|
|
|
Dynamics
of orbit also unusual compared to other
|
|
|
|
moons
|
|
|
|
|
Giant Impact Origin Theory
|
|
|
|
Higher
Mercury density also due to giant impact?
|
|