Views of supernova remnants. (a) An optical image of a portion of the Veil Nebula supernova remnant. (b) A (false color) radio image (6 cm wavelength) of the source known as Cas A (the brightest radio source in Cassiopeia), taken with the VLA, providing an angular resolution of 0.1 arc sec. (c) A far infrared image of Cas A, taken with the ISO satellite. (d) An X-ray image of Cas A, made with the Chandra Observatory. (e) HST image of the region of SN1987A in the LMC.The small bright ring shows the interaction of the expanding supernova remnant with the surrounding medium. [(a) NOAO/AURA/NSF; (b) NRAO/AUI/NSF; (c) ESA/ISO,ISOCAM/CEA and P. Lagage et al. (d) NASA; (e) STScI/NASA]
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