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What are gravitational lenses?

  1. Sep 14, 2005 #1
    What are gravitational lenses?
  2. jcsd
  3. Sep 14, 2005 #2

    Doc Al

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    Staff: Mentor

  4. Sep 15, 2005 #3
    I saw the page that you gave.But in the image that was released by Nasa as reality ,I can't undestand anything.
  5. Sep 15, 2005 #4
    See the two bright stars really close to each other on the left and third one a little farther away. That's really one star and some other star serving as a source of gravity. In the middle bottom part an object looks like a galaxy with a big star in the middle. That's the last example they mention. There are others but these are the most noticable.
    Last edited: Sep 15, 2005
  6. Sep 16, 2005 #5
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