Astronomy / Stars
Stars planets galaxies etc
The Whirlpool Galaxy 51 is a popular target for professional astronomers, who study it to further understand galaxy structure particularly structure associated with the spiral arms and galaxy interactions. This image is part of a “quartet of galaxies” collaboration of professional and amateur astronomers that combines optical data from amateur telescopes with data from the archives of NASA missions.
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This image of supernova remnant 0509-67.5 was made by combining data from two of NASA's Great Observatories. Optical data of SNR 0509-67.5 and its accompanying star field, taken with the Hubble Space Telescope, are composited with X-ray images from the Chandra X-ray Observatory.