What does thermosphere mean?
noun
The outermost layer of the Earth's atmosphere, extending from about 85 to 600 kilometers above the Earth's surface, characterized by extremely low air pressure and temperatures that vary greatly with altitude.
Example
"The thermosphere is where the aurora borealis and aurora australis occur, caused by charged particles from the solar wind interacting with the Earth's magnetic field."
Definition generated by AI and curated by RJS Tech Solutions LLP.