A planet is most likely to lose its atmosphere if it:

Question

Quizplus · Accepted Answer

When a planet heats up, the molecules of its atmosphere gain more kinetic energy and tend to move more quickly. If the temperature of the planet increases to the point where the average speeds of the atmospheric molecules exceed the planet’s escape velocity (which depends on the mass of the planet), some of the molecules can escape the planet’s gravitational pull, leading to atmospheric loss.

A Planet Is Most Likely to Lose Its Atmosphere If