For Many Years,the Palomar Telescope (5-M Diameter)in California Was the Largest

question 5

Multiple Choice

For many years,the Palomar telescope (5-m diameter) in California was the largest telescope in the world; it has now been surpassed by both Keck telescopes (each of diameter 10 m) in Hawaii.How much greater is the light-gathering power of a Keck telescope than that of the Palomar telescope?

• A) 4 times greater
• B) 8 times greater
• C) 2 times greater
• D) 1.4 times greater

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