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The AstronomersZeroing in on Hubble's constant
Zeroing in on Hubble's constant
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Date- 5th Jan 09 Source- http://www.ciw.edu/multimedia_content 'In the early part of the 20th Century, Carnegie astronomer Edwin Hubble discovered that the universe is expanding. The rate of expansion is known as the Hubble constant. Its precise value has been hotly debated for all of the 80 intervening years. The value of the Hubble constant is a key ingredient in determining the age and size of the universe.' More info- http://www.ciw.edu/news/zeroing_hubble_s_constant
Added on Nov 27, 2012 by lonewolf
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Time: 02:21 | Views: 391 | Comments: 0
   
  Extragalactic astronomy  
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