Multiple Choice
Many fortunate amateur astronomers have telescopes with primary mirrors 20 cm in diameter.The recently built Keck telescopes on Hawaii have mirrors 10 m in diameter.How much more light is collected by one of the Keck telescopes compared with the amateur's telescope?
A) 2500 times more
B) 50 times more
C) About 7 times more
D) 2 times less
Correct Answer:

Verified
Correct Answer:
Verified
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