The outermost gases of early Earth were initially destroyed by radiation from the sun, but the underlying atmosphere remained intact.

Question

Quizplus · Accepted Answer

The layer of gases that the sun stripped was Earth's first atmosphere. There were other gases which were released from the interior of the planet to form a secondary atmosphere. Information can be found in the section Earth, Ocean, and Atmosphere Accumulated in Layers Sorted by Density.

The Outermost Gases of Early Earth Were Initially Destroyed by Radiation