What prevented the Moon from maintaining any atmosphere with which it originally formed?
A) It repeatedly collided with planetesimals.
B) It is too close to the Sun.
C) The solar wind blew it away.
D) It is not massive enough.
E) It is tidally locked to Earth.

Question

Quizplus · Accepted Answer

The Moon is not massive enough to hold onto any atmosphere it may have formed with. Its escape velocity is too low to retain gas particles, and thus any atmosphere it may have had would have been lost to space. Additionally, the Moon is not geologically active, which means that it cannot replenish any atmospheric gases that may have been lost over time.

What Prevented the Moon from Maintaining Any Atmosphere with Which