Learn about our sun & its influence on our solar system!

The Sun Today

Solar apparent size-perihelion versus aphelion 2012. The red circles show the size of one disk superimposed over the other. Shot by David Dickinson and discussed in http://bit.ly/1pQmrHG

Happy Aphelion 2015!


For the northern hemisphere, the Sun is directly overhead at "high-noon" on Summer Solstice at the latitude called the Tropic of Cancer.

Happy June Solstice 2015


Total Lunar Eclipse of April 15, 2014 from http://www.mreclipse.com/LEphoto/TLE2014Apr/TLE2014Apr-1145.html

Shortest Total Lunar Eclipse of the Century – April 4, 2015


Ryan Milligan safely gazing at a solar eclipse

March 20, 2015 Supermoon Solar Eclipse


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MMS Launches March 12, 2015 at 10:44 PM EDT LEARN MORE »