test_287
Exponential design
Radius of curvature
110707
1100
space symphony
valley of the shadow: Corona minus the Sun, photographed by Solar Dynamics Observatory, 22nd April 2014.
18 images taken over 9 hours, in 17.1 nm light - emitted by matter in the “quiet corona” at 630,000 kelvin.
Image credit: NASA/SDO, AIA/EVE/HMI. Animation: AgeOfDestruction.