Which layer of  the atmosphere  is the coldest?

Earth's atmosphere consists of five general layers.

Each layer has specific characteristics that define it.

The coldest layer of the atmosphere is known as the mesosphere.

The mesosphere is the third layer up from the Earth's surface right above the stratosphere.

The temperature can drop to -90° C (-130° F) at the highest part of the mesosphere.

When you see ''shooting stars,'' you are really seeing meteors burning up in the mesosphere.

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