Big Bang Theory News

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  Using Black Holes to Measure the Universe's Rate of Expansion

  April 22, 2013 — Scientists have developed a method that uses black holes to measure distances of billions of light years with a high degree of accuracy. The ability to measure these distances will allow scientists ... > full story
• Cosmic Rays
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  Space Telescopes
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  NASA
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  Distant Blazar Is a High-Energy Astrophysics Puzzle

  April 18, 2013 — Blazars are the brightest of active galactic nuclei, and many emit very high-energy gamma rays. New observations of the blazar known as PKS 1424+240 show that it is the most distant known source of ... > full story
• NASA
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  X-Ray View of a Thousand-Year-Old Cosmic Tapestry

  April 17, 2013 — A long Chandra observation reveals the SN 1006 supernova remnant in exquisite detail. By overlapping 10 different pointings of Chandra's field-of-view, astronomers have stitched together a cosmic ... > full story
• Galaxies
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  Massive Galaxy Had Intense Burst of Star Formation When Universe Was Only 6 Percent of Current Age

  April 17, 2013 — Astronomers find the most prolific star factory yet seen, in a far-distant galaxy that reveals important information about the cosmic environment in the early history of the ... > full story

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  • Astronomers Discover Massive Star Factory in Early Universe
• Galaxies
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  ALMA Telescope Pinpoints Early Galaxies at Record Speed

  April 17, 2013 — Astronomers have used the new ALMA (Atacama Large Millimeter/submillimeter Array) telescope to pinpoint the locations of over 100 of the most fertile star-forming galaxies in the early ... > full story
• Black Holes
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  Strange New Bursts of Gamma Rays Point to a New Way to Destroy a Star

  April 16, 2013 — Scientists have pinpointed a new type of exceptionally powerful and long-lived cosmic explosion, prompting a theory that they arise in the violent death throes of a supergiant ... > full story

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  • Dying Supergiant Stars Implicated in Hours-Long Gamma-Ray Bursts
• Stars
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  Galaxies
  Extrasolar Planets
   
  

  'Post-Mortem' Yields Insight Into Kepler's Supernova

  April 8, 2013 — An exploding star observed in 1604 by the German astronomer Johannes Kepler held a greater fraction of heavy elements than the sun, according to an analysis of X-ray observations from the Japan-led ... > full story
• Big Bang
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  Satellites
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  Listening to the Big Bang -- In High Fidelity

  April 4, 2013 — Physicist have updated the decade-old re-creation of the sound of the Big Bang that started the ... > full story
• NASA
  Space Exploration
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  Hubble Breaks Record in Search for Farthest Supernova

  April 4, 2013 — NASA's Hubble Space Telescope has found the farthest supernova so far of the type used to measure cosmic distances. Supernova UDS10Wil, nicknamed SN Wilson after American President Woodrow Wilson, ... > full story
• Galaxies
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  Cosmic Rays
  Stars
  Cosmology
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  Green Pea Galaxies Could Help Astronomers Understand Early Universe

  April 3, 2013 — The rare Green Pea galaxies discovered by the general public in 2007 could help confirm astronomers' understanding of reionization, a pivotal stage in the evolution of the early ... > full story

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