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13 hours ago · The Hubble length or Hubble distance is a unit of distance in cosmology, defined as cH −1 — the speed of light multiplied by the Hubble time. It is equivalent to 4,420 million parsecs or 14.4 billion light years. (The numerical value of the Hubble length in light years is, by definition, equal to that of the Hubble time in years.)
13 hours ago · University of Michigan. / 42.27694°N 83.73806°W / 42.27694; -83.73806. The University of Michigan ( U-M, UMich, or simply Michigan) is a public research university in Ann Arbor, Michigan. Founded in 1817, it is the oldest institution of higher education in the state.
13 hours ago · Manhattan District The Trinity test of the Manhattan Project on 16 July 1945 was the first detonation of a nuclear weapon. Active 1942–1946 Disbanded 15 August 1947 Country United States United Kingdom Canada Branch U.S. Army Corps of Engineers Garrison/HQ Oak Ridge, Tennessee, U.S. Anniversaries 13 August 1942 Engagements Allied invasion of Italy Allied invasion of France Allied invasion of ...
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