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How can i use the rotation of the earth to measure the acceptance angle of a telescope in minutes of arc?

I have no idea where to even start

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  • Anonymous
    1 decade ago
    Favorite Answer

    The reason you are not getting any answers is that no one knows what the acceptance angle of a telescope is (except maybe for Geoff.) I had to look it up.

    http://en.wikipedia.org/wiki/Numerical_aperture

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