Question

Moon has no atmosphere.why?

Answer 1

Moon has no atmosphere because the value of acceleration due to gravity ‘g’ on surface of moon is small. Therefore, the value of escape velocity on the surface of the moon is small . The molecules of the atmospheric gases on the surface of the moon have thermal velocities greater than the escape velocity. That is why all the molecules of gases have escaped and there is no atmosphere on moon.

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Answer 2

Answer:

• The escape velocity of the moon could be very a whole lot much less than the root mean square velocity of the moon.
• Escape velocity is the velocity required by the molecules to get away from the orbit or the force.
• Therefore, the molecules of fueloline get away from the moon`s floor.
• The magnetic area is vulnerable at the floor of the moon.
• Hence, moon doesn't have an atmosphere.

#SP J2