Question
The 300-m-diameter Arecibo radio telescope pictured in Figure 27.28 detects radio waves with a 4.00 cm average wavelength. (a) What is the angle between two just-resolvable point sources for this telescope? (b) How close together could these point sources be at the 2 million light year distance of the Andromeda galaxy?
Question Image
1. $1.63 \times 10^{-4} \textrm{ rad}$
2. $325 \textrm{ ly}$
Solution Video