4. Compute the angular diameter of Betelgeuse as seen from the Earth. Given that My= -5.5 mag, mv= 0.8 mag, and R= 650R0. [Hint: 0 = s/r, where 0 is the angular diameter in radians, s is the arc length, and ris the radius. Express your answer in arcseconds.]
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![4.
Compute the angular diameter of Betelgeuse as seen from the Earth.
Given that My= -5.5 mag, mv= 0.8 mag, and
R= 650R0. [Hint: 0 = s/r, where 0 is the angular diameter in radians, s is the
arc length, andris the radius. Express your answer in arcseconds.]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd8694f02-79fe-4b76-9079-b1456b2e1bd2%2Fe74581e1-eb4d-4d2a-82c4-b8cf84b8e519%2Fb89mf2_processed.png&w=3840&q=75)
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