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Astronomy

The Atmospheric Escape Mechanisms from Hot Jupiters

Quick fact

Some hot Jupiters lose atmospheric gas at rates of up to 10^10 grams per second, yet they survive for billions of years because they are so massive.

Why this is interesting

Imagine a giant planet so close to its star that its atmosphere boils away into space. But why doesn't it all disappear instantly, and what decides the pace?