The atmospheres of relatively low-mass planets like Earth dont contain much hydrogen
Chapter 17, Problem 11(choose chapter or problem)
The atmospheres of relatively low-mass planets like Earth dont contain much hydrogen (H2), while more massive planets like Jupiter have considerable atmospheric hydrogen. What factors might account for the difference?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer