If you combine the optical light-gathering capability of the two Keck telescope mirror arrays on Mauna Kea, each of which has the equivalent collecting area of a single mirror 10 m in diameter, you would have an instrument equivalent in light-gathering capability to which of the following?

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     a single telescope 14 m in diameter
      a single telescope 20 m in diameter
      a single telescope 10 m in diameter
      a single telescope 18 m in diameter
      a single telescope 12 m in diameter
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

0 votes
a single telescope 14 m in diameter
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)

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