Sources emit in a region of the spectrum difficult to observe and could correspond to different astronomical systems. Some would provide clues about the origin of certain supernovae. Read more
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The archives of a space telescope hid 84 objects so unusual that they could belong to a cosmic family that had previously passed unnoticed. The researchers found them in the old observations of the Chandra space telescope, specialized in X-rays. They found them in...
Sources emit in a region of the spectrum difficult to observe and could correspond to different astronomical systems. Some would provide clues about the origin of certain supernovae. Read more