mesosphere
mesosphere
1. An upper atmospheric layer above the stratopause (at 50 km) through which temperature decreases with height up to about 80 km, where temperatures reach a minimum of about −90°. This level is the mesopause, an inversion above which temperatures rise again.
2. That part of the Earth underlying the asthenosphere. The term is no longer in current use in this sense.
1. An upper atmospheric layer above the stratopause (at 50 km) through which temperature decreases with height up to about 80 km, where temperatures reach a minimum of about −90°. This level is the mesopause, an inversion above which temperatures rise again.
2. That part of the Earth underlying the asthenosphere. The term is no longer in current use in this sense.
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mesosphere
