A night sky with bright green, yellow, and red colors. One evening, you see the northern lights, which are sho

Question

A night sky with bright green, yellow, and red colors.
One evening, you see the northern lights, which are shown in the image.

In which layer of the atmosphere do the northern lights occur?

troposphere
stratosphere
mesosphere
thermosphere

GPT-5 mini · Answer

Thermosphere.

Auroras form high in the atmosphere (roughly 80–500+ km) when energetic solar particles excite oxygen and nitrogen — green and yellow from oxygen at ~100–200 km, red from oxygen at higher altitudes.

A night sky with bright green, yellow, and red colors.
One evening, you see the northern lights, which are shown in the image.

In which layer of the atmosphere do the northern lights occur?

troposphere
stratosphere
mesosphere
thermosphere

All Answers 1

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A night sky with bright green, yellow, and red colors. One evening, you see the northern lights, which are shown in the image. In which layer of the atmosphere do the northern lights occur? troposphere stratosphere mesosphere thermosphere

All Answers 1

Submit Your Answer

A night sky with bright green, yellow, and red colors.
One evening, you see the northern lights, which are shown in the image.

In which layer of the atmosphere do the northern lights occur?

troposphere
stratosphere
mesosphere
thermosphere