The water vapor was then free to rise up into the high levels of Venus's atmosphere where it was broken up by solar radiation and the hydrogen from the water escaped to space.
(The water vapor; was; T:then; free to rise up into the high levels of Venus's atmosphere) (The water vapor; to rise up; into the high levels of Venus's atmosphere) (it; was broken up; by solar radiation and the hydrogen from the water) (the high levels of Venus's atmosphere; escaped; to space)
The water vapor The water vapor it the high levels of Venus's atmosphere
was to rise up was broken up escaped
T:then free to rise up into the high levels of Venus's atmosphere
into the high levels of Venus's atmosphere
by solar radiation and the hydrogen from the water
to space