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Why do astronomers prefer to use the reflecting telescope rather than the refracting telescope to view distant objects in space?

a) a reflecting telescope has greater capacity to gather electromagnetic waves

b) a refracting telescope has lenses which distort images of distant astronomical objects

c) a reflecting telescope does not absorb the harmful radiations in the electromagnetic spectrum

d) a refracting telescope does not focus the images of distant objects in the line of view of observer

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