Asked by Sandra
Which process explains why the terrestrial planets do not have hydrogen and helium in their atmospheres?
thermal escape (??)
condensation
out gassing
solar wind
thermal escape (??)
condensation
out gassing
solar wind
Answers
Answered by
Damon
Yes, I would guess those light gasses would exceed escape velocity due to heat.
Answered by
Sandra
Thanks much!!
Answered by
Damon
yes, here
http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0CCQQFjABahUKEwjI1qjtttzIAhVLGz4KHfxjBKY&url=http%3A%2F%2Fwww.atmos.washington.edu%2F~davidc%2Fpapers_mine%2FCatling2009_SciAm_AtmEscape_Preprint.pdf&usg=AFQjCNE-vlUw54iLGlGBqrCfCQJ1CQHcIw&sig2=09z2PlaTuIUXxwPV5ia5jQ
http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0CCQQFjABahUKEwjI1qjtttzIAhVLGz4KHfxjBKY&url=http%3A%2F%2Fwww.atmos.washington.edu%2F~davidc%2Fpapers_mine%2FCatling2009_SciAm_AtmEscape_Preprint.pdf&usg=AFQjCNE-vlUw54iLGlGBqrCfCQJ1CQHcIw&sig2=09z2PlaTuIUXxwPV5ia5jQ
Answered by
Damon
You are welcome.