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Caption: Composite of Cassiopeia A supernova remnant across the spectrum: Gamma rays (magenta) Fermi Gamma-ray Space Telescope: X-rays (blue, green) Chandra X-ray Observatory: visible light (yellow) from the Hubble Telescope. Science
Category: UIG HISTORY
Credit: Album / Universal History Archive/Universal Images Group
Image size: 4828 × 3656 px | 50.5 MB
Print size: 40.9 × 31.0 cm | 1900.8 × 1439.4 in (300 dpi)