Mount Arsia, which is 25 km high, is visible at the edge of the disk of Mars. What are its angular dimensions when observed from Phobos

Mount Arsia, which is 25 km high, is visible at the edge of the disk of Mars. What are its angular dimensions when observed from Phobos (the distance between Mars and Phobos is 9400 km)?

sin p = h / S; since the angle is small, then we pass to the radian measure of the angle p / 06265 = h / S; p = 548 ‘= 9 “

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