Skip Navigation
menu close modal
Feedback

If you are experiencing technical issues with the website, please include a link to the page to which you are referring. Thank you!

You Might Also Like

Earth and the Moon are locked in an orbital dance, and gravity is the choreographer. Here's how it works.
More
Tidal Locking
Tidal Locking
Between four and seven times a year, Earth, Moon and Sun line up just right to create the cosmic-scale shadow show known as an eclipse.
More
Composite of lunar eclipse phases over night sky
Eclipses
Like Earth, the Moon has a day side and a night side, which change as the Moon rotates.
More
Diagram of the Moon's phases
Moon Phases