noun
- plural of mesosphere; the layers of Earth’s atmosphere between the stratosphere and thermosphere, typically 50-80 kilometers above sea level
Usage: atmospheric science
Examples
- Scientists study the mesospheres of different planets to understand atmospheric composition.
- The mesospheres are characterized by decreasing temperatures with altitude.
- Meteors typically burn up in the mesospheres due to atmospheric friction.
- Research balloons cannot reach the mesospheres directly.
- The mesospheres contain the coldest temperatures in Earth’s atmosphere.
- Noctilucent clouds form in the mesospheres during summer months.