alleryThe aurora borealis and aurora australis occur mainly in which layer?
AStratosphere
BTroposphere
CThermosphere
DOzone layer
Answer & Solution
Correct answer: C. Thermosphere
1. Auroras are not weather events, so they occur high above the clouds.
2. They are seen in the thermosphere, around 100 km up.
3. The troposphere and stratosphere are far too low.
_Source: Wikipedia, Atmosphere of Earth, Thermosphere_
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