Dark Sun Sizzling

Cosmic Variance
By Sean Carroll
Jul 10, 2006 8:14 PMNov 5, 2019 8:09 AM

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Today's Astronomy Picture of the Day:

It's a false-color image of the Sun in ultraviolet (click for better resolution). Put together using data from TRACE, a NASA Small Explorer satellite. You're seeing the bubbling gas of the solar corona looping along magnetic fields.

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