why doesn’t Earths atmosphere just float off into space?

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Why doesn’t the atmosphere (air we breathe) just float off into space?

Some objects in space have atmospheres like Earth and Jupiter. Others like asteroids and the moon don’t have an atmosphere.
Why doesn’t earth atmosphere just drift away into space?
What am I missing about the concept of atmosphere?

In: Planetary Science

30 Answers

Anonymous 0 Comments

Gravity though they are gases they still have mass and are pulled in toward the centre of the Earth. The other element is the Earth has a liquid metal core which creates a magnetic field around the Earth which stops the Solar wind from ripping the atmosphere away. https://youtu.be/HUm3aN6X04s

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