Watch a Total Solar Eclipse On-the-Go
by Rob Rothfarb • February 27, 2016
Total Solar Eclipse, the Exploratorium's first mobile app incorporating our live webcasting programs, is now available for Android phone and tablet users on Google Play.
Why Don't We Have an Eclipse Every Month?
What is a Total Solar Eclipse?
Earth-Sun-Moon Scale Model
¿Qué es un eclipse solar?
Eyeball Safety during a Solar Eclipse
Solar Eclipse: Safe Viewing Techniques
Solar Eclipse: Hands-On Safe Viewing Techniques
How to Build a Sun Viewer
Einstein's Light-Bending Concept
The Magnetosphere
Watch the 2016–2017 eclipse videos on our free Android and iOS apps.
For eclipse videos and much more, explore our video collection.
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Watching An Eclipse
What to See During an Eclipse
As the moon passes in front of the Sun, the eclipse goes through stages that provide an evolving spectacle, two plus hours of steadily changing views. Click on the images to see what you can see. (En español.)
How to Throw a Solar Eclipse Party
by Emma Bailey • February 22, 2016
Moon pies, playlists, and live streaming! The 2017 total solar eclipse is happening on August 21. Here's how to throw an out-of-this-wor
Try This! The Shadows of the Moon
Model a total solar eclipse using the real sun!
About Eclipses
Why Eclipses Happen
A total solar eclipse is a cosmic coincidence with stunning visual effects for viewers on Earth. What causes this extraordinary phenomenon?
5 Things You Probably Didn't Know About Solar Eclipses
by Emma Bailey • February 17, 2016
If you stood in one place and waited for a total solar eclipse, how long would you be waiting? Learn this and four other amazing facts about this upcoming astronomical phenomena. (En español.)
