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Tag Archives: x-rays

The First Sighting of a Black Hole

One of the best views of the galactic center combines images from the Hubble, Spitzer, and Chandra space telescopes. An artist’s concept depicts the likely black hole within. (NASA/ESA/SSC/CXC/STSCL) Click for a full size image   The First Sighting of ...

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Chorus of Black Holes Sings in X-Rays

The blue dots in this field of galaxies, known as the COSMOS field, show galaxies that contain supermassive black holes emitting high-energy X-rays. Image credit: NASA/JPL-Caltech Click for a full size image Chorus of Black Holes Sings in X-Rays Supermassive ...

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What is a Quasar

  Perhaps one of the most perplexing mysteries in current astrophysics is the science behind Quasars. Quasars, or “quasi-stellar radio sources” are the brightest and most distant star-like objects in the known universe. In fact, they are so bright and ...

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