I live in the northern hemisphere (Seattle, WA) and I was asked why the Moon's face turns or rotates in the sky. The example given to me: The Moon obviously isn't orbiting quickly (about once every 29 ...

When the Moon first formed, it was a sea of molten lava. The immense gravity of Earth stretched this molten sea, raising tides on both the near and far sides. But the Moon was spinning, and that ...

A new computer modeling provided a new explanation as to why the icy shell of Jupiter's moon, Europa, has an unusual motion/rotation. Scientist from the Jet Propulsion Laboratory present a video, 09 ...

Every time I see the moon in the sky, it makes me happy. The big picture of the moon’s origin is fairly well established.