This image of the Crab Nebula is a composite of 5 images taken using 5 telescopes, spanning wavelengths from radio to X-ray. Colors represent wavelengths as follows: VLA (radio) in red; Spitzer Space Telescope (infrared) in yellow; Hubble Space Telescope (visible) in green; XMM-Newton (ultraviolet) in blue; and Chandra X-ray Observatory (X-ray) in purple. Image via JPL.A supernova explodes
