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blackholes 2009/01/21 15:56 blackholes 2009/11/06 13:53 current
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====== Black Holes and Cosmology ====== ====== Black Holes and Cosmology ======
 +  * [[Did stars form during the Big Bang?]]
  * [[Did space exist before the Big Bang?]]   * [[Did space exist before the Big Bang?]]
  * [[If the observable universe is analogous to a hollow plastic ball, then how thick is the plastic?]]   * [[If the observable universe is analogous to a hollow plastic ball, then how thick is the plastic?]]
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  * [[How is it possible to look back and see the birth of the universe?]]   * [[How is it possible to look back and see the birth of the universe?]]
  * [[How can astronomers say that the universe is expanding without knowing where the boundaries of the universe are?]]   * [[How can astronomers say that the universe is expanding without knowing where the boundaries of the universe are?]]
 +  * [[How do we know that the Universe is accelerating?]]
 +  * [[If the Universe is expanding and galaxies are rushing away from one another, why are the galaxies in the Local Group not flying apart?]]
 
blackholes.1232582186.txt.gz · Last modified: 2009/01/21 15:56 by czars · [Old revisions]