Non-thermal escape processes refer to the mechanisms by which atmospheric particles can be lost to space without the influence of thermal energy. These processes include phenomena such as photoevaporation, where high-energy radiation causes atmospheric particles to gain enough energy to escape, and hydrodynamic escape, where extreme heating leads to a flow of gas escaping from the atmosphere. Understanding these processes is vital for studying how atmospheres evolve over time and how they can be stripped away in certain conditions.
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