China plans to land humans on the moon by 2030. See animations of the crew on the moon with a lander and rover. Credit: China ...

A new animation depicts that process with ... which pushes the moon outward and makes its orbit larger. That's why researchers look to the imprints of ancient ocean tides to determine how fast ...

This is called a new moon. As the Moon continues to orbit Earth we can see more and more of the lit side. At various stages in its orbit it is called a crescent moon, a quarter moon and a gibbous ...

In one orbit of about 29.5 days ... from full moon to new moon. At the bottom right corner, the animation also tracks the boundary of sunlight falling across the moon as it rotates.

This is called a new moon. As the Moon continues to orbit Earth we can see more and more of the lit side. At various stages in its orbit it is called a crescent moon, a quarter moon and a gibbous ...