Can someone please help direct me to a start for this??

Question

1. Explain why the outer planets did not lose the lighter gases in their atmosphere.
2. What are two major differences in the composition of the inner and outer planets?

Answer 1

1. The outer planets are more massive than the inner planets and their gravity enables them to retain the lighter gases.
2. Inner planets are small and rocky, while the outer are large, gaseous, and have rings.

Answer 2

I had no idea so this really helped thank you!

Answer 3

thanks.