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What is the smallest diameter aperture you can use on a Galilean telescope and still be able to see as separate two star

Posted: Mon May 16, 2022 7:57 pm
by answerhappygod
What is the smallest diameter aperture
you can use on a Galilean telescope and still be able to see as
separate two stars which are only 3.00 degrees apart? Assume a
visible light wavelength equal to 555 nm. [hint: convert degrees to
radians. 180° = p radians]