The compositions of Earth, Venus, Mars, and the Moon are all roughly the same: lots of Si, O, Mg, Fe, Ca, and stuff like that (remember homework 1). Mars and Venus have substantial volcanism, but apparently no plate tectonics. Why not? Back to Lecture 18 outline Back to lectures page Back to main course page
The compositions of Earth, Venus, Mars, and the Moon are all roughly the same: lots of Si, O, Mg, Fe, Ca, and stuff like that (remember homework 1).
Mars and Venus have substantial volcanism, but apparently no plate tectonics. Why not?
Back to Lecture 18 outline
Back to lectures page
Back to main course page