Why Don't Eclipses Happen Every Month? Photo Credit: Astronomical Society of the Pacific View larger

Why Don't Eclipses Happen Every Month?

New activity

Patrons create 3D models of the Earth, Moon, and Sun and demonstrate solar and lunar eclipses, and understand why we do not see eclipses at every full and new Moon.

Open Activity   
How-to Video

Suggest a Book

Suggest a book or books below:

Cancel or 

Report Miscategorization

Please let us know how this activity could be categorized better:

Cancel or 



Related Programming Resources

Hints for uses in your library Consider doing this activity after dark at a star party or in a darkened room.
Related Links SEAL: Solar Eclipse Activities for Libraries
Exploratorium: Why Don't We Have an Eclipse Every Month?
NASA Solar System Exploration: Eclipses
2023 Annular Eclipse Simulator
2024 Total Eclipse Simulator
American Astronomical Society: Safe Eclipse Viewing
Originating Source Astronomical Society of the Pacific
Related Books
[Suggest a book]
Totality! An Eclipse Guide in Rhyme and Science by Jeffrey O. Bennett
Eclipse Chaser: Science in the Moon's Shadow
Eclipse: Journeys to the Dark Side of the Moon by F.E. Close

Reviews

Write a review

Why Don't Eclipses Happen Every Month?

Why Don't Eclipses Happen Every Month?

Patrons create 3D models of the Earth, Moon, and Sun and demonstrate solar and lunar eclipses, and understand why we do not see eclipses at every full and new Moon.