Telescope A has 4.6 times the light gathering power as Telescope B. How much larger is its diameter? frac{D_A}{D_B} = How does the light gathering power of a telescope depend on its diameter?
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This means that if Telescope A has 4 times the light gathering power as Telescope B, then the ratio of their diameters can be found by taking the square root of 4, which is 2. Show more…
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