Astronautics Vocabulary

The Astronautics Vocabulary is a glossary of terms that pertain to the science and technology of spaceflight. This alphabetical list can be navigated by clicking on the letters A-Z displayed on this page.

Definition of mesosphere

Translation: mésosphère

Definition: A region of the Earth’s atmosphere above the stratosphere, between the heights of about 50 and 80 km (30 and 50 miles), in which the temperature decreases with height to –90 °C at its upper boundary, the mesopause.

Other Definition: None

Synonym: None