A lot of factors determine whether the moon could have an atmosphere. Gravity is just one of them. Proximity to the sun, magnetic fields and, especially, volcanic activity. If the Earth was volcanically dead, we'd have an atmosphere much closer to Mars. Our magnetic field also protects the atmosphere from being…

Assuming the landscape is not in a polar region, and both Earth and Jupiter are nestled roughly in the same equatorial plane, shouldn't Jupiter appear tipped on it's side from this view?