
The above picture of our Sun was taken last month in a specific red color of light emitted by hydrogen gas called Hydrogen-alpha and then color inverted to appear blue.
(vía Astronomy Picture of the Day)
November 05, 2009, 10:58am

The above picture of our Sun was taken last month in a specific red color of light emitted by hydrogen gas called Hydrogen-alpha and then color inverted to appear blue.
(vía Astronomy Picture of the Day)
November 05, 2009, 10:58am