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Text File  |  1992-09-02  |  290b  |  9 lines
  1. A parallax is the change in the apparent 
  2. position of an object against its background 
  3. when viewed from two different positions. In 
  4. astronomy, nearby stars show a shift owing to 
  5. parallax when viewed from different positions 
  6. on the Earth's orbit around the Sun. 
  7.  
  8. Subject by: Vince Pike
  9.