thermospheric

Definition

Relating to the thermosphere, the layer of Earth's atmosphere located between the mesosphere and the exosphere, characterized by high temperatures and ionization.

Etymology

Derived from the Greek 'thermos' meaning 'heat' and 'sphaira' meaning 'globe' or 'ball'. It was coined in the 20th century to describe the atmospheric layer where solar radiation causes significant temperature increases.

In the news

The article uses the term to describe the specific atmospheric region being mapped by Starlink satellites. It is significant because it highlights the ability to monitor high-altitude atmospheric conditions previously difficult to track.

Scientists used Starlink satellites to map Earth's upper atmosphere for the first time

starlust.org

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