Astronomers sometimes measure distances in astronomical units, where 1 AU=1.496 ×10^11  m, the mean distance from Earth to Sun. Why is this useful for distances within our solar system? | Numerade

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Astronomical measurements are often made by computing the small angle formed by the extremities of a distant object and using the arc length to approximate the chord. In the picture below, the full moon is shown to form an angle of 2° when the distance indicated is 248,000 miles. Estimate the diameter of the moon using this method (Round your answer to two decimal places).

Astronomical measurements are often made by computing the small angle formed by the extremities of a distant object and using the estimating technique in 15.5 .1 . In the picture below, the full moon is shown to form an angle of (1)/(2)^∘ when the distance indicated is 248,000 miles. Estimate the diameter of the moon. | Numerade

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