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Referring to the Figure Below, What Is the Angular Diameter

Question 27

Multiple Choice

Referring to the figure below, what is the angular diameter of Neptune if its diameter is 50,000 km and its distance is 30 astronomical units (AU) ? Recall that 1 AU = 1.5 * 1011 meters. Referring to the figure below, what is the angular diameter of Neptune if its diameter is 50,000 km and its distance is 30 astronomical units (AU) ? Recall that 1 AU = 1.5 * 10<sup>11</sup> meters.   A)  45 arcseconds B)  30 arcseconds C)  20 arcseconds D)  10 arcseconds E)  2 arcseconds


A) 45 arcseconds
B) 30 arcseconds
C) 20 arcseconds
D) 10 arcseconds
E) 2 arcseconds

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