Asymmetry

How one impact 4.25 billion years ago created two different hemispheres.

Scrub time to see the SPA impact strip volatiles from the far side, suppressing volcanism.

4.5 Gya Impact Maria Now
Time: 4.50 Gya
Phase: Formation
Far side K: -0.13
Near side K: -0.13
Core
Mantle
Crust
Maria
Volatiles
Far Side Near Side
View on ATProto ↗