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

The Sun Today

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

A Rare Full Moon June Solstice for 2016!


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Transit of Mercury – May 9, 2016


march-equinox-illustration

Happy Spring Equinox 2016


Southeast Asia Total Solar Eclipse 2016

Southeast Asia Total Solar Eclipse 2016


Sun and Earth Comparison

Our Star – An Introduction to the Sun


Carrington's sketch of the white-light flare and the sunspot group.

The Carrington Flare


The Scale of the Sun and Planets

How Big is the Sun?


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HAPPENING NOW: Transit of Mercury – May 9, 2016 DETAILS »