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Space roar: Wikis


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The space roar is a natural phenomenon picked up as a radio signal from outer space. A NASA team led by Alan Kogut[1] discovered the roar. Described as a loud hiss, the team discovered the signal while trying to find traces of heat from first generation stars using an Absolute Radiometer for Cosmology, Astrophysics, and Diffuse Emission (ARCADE).[1][2] This instrument is designed to detect radiation at centimeter wavelengths.[3] Though signals from radio galaxies have been detected before, the space roar sounds six times louder than predicted.[2] NASA scientists have yet to explain the space roar's source, but have currently ruled out primordial stars and all other known radio sources, as the space roar itself is six times louder than all other radio emissions currently discovered in the universe.[1] The roar currently limits the study of the universe's earliest stars.[2]


  1. ^ a b c Thompson, Andrea (7 January 2009). "Mystery Roar from Faraway Space Detected". Retrieved 12 January 2009.  
  2. ^ a b c Reddy, Francis (2009). "NASA Balloon Mission Tunes in to a Cosmic Radio Mystery". NASA. Retrieved 12 January 2009.  
  3. ^ Kogut, A. (December 2006). "ARCADE: Absolute radiometer for cosmology, astrophysics, and diffuse emission". New Astronomy Reviews 50: 925–931. doi:10.1016/j.newar.2006.09.023.  


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