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
Correct Answer:

Verified
Correct Answer:
Verified
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