Astrophysics (index)

Cold Trap

(layer of atmosphere that prevents a gas from escaping by freezing it)

An Atmosphere's Cold Trap is a layer that is cold enough to freeze a gas rising into it that would otherwise escape. The frozen gas descends again and remains. On Earth, a cold trap at about 20km traps water vapor.


(atmosphere)
http://en.wikipedia.org/wiki/Cold_trap_(astronomy)

Referenced by:
Moon

index