Topic: Chandra X-Ray Observatory
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In Pictures: Where stars form
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Astronomers find humongous galaxy cluster, thanks to gravitational lensing
Using NASA's Huble Space Telescope, astronomers have detected a huge cluster of galaxies some 10 billion light-years away. The cluster is so massive that it distorts light that passes near it.
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What goes on at the edge of a black hole? NASA launches NuSTAR to find out. (+video)
NASA will launch the orbiting X-ray observatory NuSTAR Wednesday in hopes of plunging deeper into the secrets of black holes and supernovae.
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Black hole produces 'cosmic Category 5 hurricane'
A stellar-mass black hole, which is born when an extremely massive star collapses, typically contains about five to 10 times the mass of our sun.
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Humongous 'El Gordo' galaxy cluster packs mass of 2 quadrillion stars
Located some7 billion light-years from Earth, 'El Gordo' is the biggest and hottest cluster of galaxies ever observed in the early universe.
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In Pictures: Where stars form
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New European space telescope opens a sharp eye on the sky
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