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Optical data of the supernova remnant and its accompanying star field, taken with the Hubble Space Telescope, are composited with X-ray images from the Chandra X-ray Observatory. The supernova that resulted in the creation of SNR 0509-67.5 occurred nearly 400 years ago for Earth viewers. The bubble-shaped shroud of gas is 23 light-years across and is expanding at more than 11 million miles per hour