A Binary Star System in the Constellation Orion Has an Angular

question 66

Multiple Choice

A binary star system in the constellation Orion has an angular separation between the stars of 10^-5 radians. Assuming a wavelength of 700 nm, what is the smallest aperture (diameter) telescope that will just resolve the two stars? (1 nm = 10^-9 m)

• A) 8.5 cm
• B) 4.2 cm
• C) 6.1 cm
• D) 3.0 cm

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