DEDICATED TO THE SAFE OBSERVATION OF THE TOTAL SOLAR ECLIPSE OF APRIL 8, 2024!
The eclipse is over.
We hope you enjoyed it!
 
 
Another TOTAL ECLIPSE
is coming to
North America!

It’s the Great North American Eclipse!
...and we want everyone to see it!
 
Your use of this site is contingent on your understanding and agreement that you will comply
with all the rules and protocols for eye safety when observing any solar phenomenon.
 

Phases of the Moon

Learn what causes the phases of the Moon!

In this diagram, we can see exactly why the Moon appears to go through “phases” over the course of a month.