sun

NASA captures 3 years of our sun’s peak activity in a 3 minute video

Ra, the Sun God, has moods. Shot at NASA's Solar Dynamics Observatory (SDO), this fascinating 3 minute time-lapse video captures 3 years of our sun's peak activity during it's "normal" 11 year cycle. Watching it, I felt quite vulnerable......

It’s OK to stare at the sun — when this happens!

If you look at the upper right portion of this image of the sun, you can see the International Space Station (ISS) in silhouette. NASA's Space Shuttle Discovery was docked to the ISS when this image was taken on March 1, 2010. BTW, it's NEVER okay to stare directly at...

It’s OK to stare at the sun — when this happens!

Mar 9, 2011 | Photos

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