4th Annual Air & Space Photo Contest
Total Solar Eclipse 9 March 2016 - Solar Corona Spectrum
Spectrum of the solar corona as revealed through a diffraction grating. The prominent green ring is of Iron 13 times ionized, indicating temperatures of around 2,500,000 degrees Kelvin.
© Robert Slobins.
All rights reserved.
||Oct. 30, 2016, 11:32 p.m.