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NASA’s IXPE Sends First Science Image, This image of the supernova Cassiopeia A combines some of the first X-ray data collected by NASA’s Imaging X-ray Polarimetry Explorer. Free Wallpaper

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NASA’s IXPE Sends First Science Image, This image of the supernova Cassiopeia A combines some of the first X-ray data collected by NASA’s Imaging X-ray Polarimetry Explorer.