Venus may have had oceans that simply boiled away, leaving large amounts of water vapor high in the atmosphere where solar ultraviolet radiation split up the molecules, allowing the hydrogen to escape into space (pg. 149).
(oceans; simply boiled away; ) (solar ultraviolet radiation; split up; the molecules; L:the atmosphere) (Venus; may have had; oceans that simply boiled away) Context(Venus may have had,List([0, 18))):(Venus; may have had oceans that simply boiled away leaving; large amounts of water vapor; L:high in the atmosphere)
Venus may have had,List([0, 18))
oceans solar ultraviolet radiation Venus Venus
simply boiled away split up may have had may have had oceans that simply boiled away leaving
the molecules L:the atmosphere
oceans that simply boiled away
large amounts of water vapor L:high in the atmosphere