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dex0388 dex0388
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A month ago

Which property of a telescope determines its light-gathering power?



the focal length of the objective



the focal length of the eyepiece



the diameter of the primary



the length of the telescope tube

Textbook 
ASTRO

ASTRO


Edition: 3rd
Authors:
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OmfgtimmyOmfgtimmy
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A month ago
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dex0388 Author
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A month ago
Smart ... Thanks!
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Thank you, thank you, thank you!
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2 hours ago
You make an excellent tutor!
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