Public domain
SOLAR FLARES - ASTRONOMY
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
S74-21921 (For release 1974) --- Sun photographed by Apollo Telescope Mount through spectroheliometer at a wavelength of 625.3 angstroms. The black areas are the surface of the sun; the reds, yellows and whites are the corona some 70,000 kilometers above the surface.
NASA Image and Video Library’s own descriptionCredit lineSOLAR FLARES - ASTRONOMY. NASA/JSC, 1974-05-01. Public domain. ID: s74-21921.