Image: The sun—two wavelengths, two different images
Wednesday, September 26, 2018 - 08:30
in Astronomy & Space
NASA's Solar Dynamics Observatory views our sun in 10 different wavelengths because each wavelength reveals different solar features. This Sept. 21, 2018, view of the sun uses two selected images taken at virtually the same time but in different wavelengths of extreme ultraviolet light.