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You Observe Neptune as It Occults a Background Star When

Question 21

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You observe Neptune as it occults a background star when the relative velocity between Neptune and the Earth is 30 km/s,and the star crosses through the middle of the planet and disappears for 27.6 minutes.What is Neptune's diameter?


A) You observe Neptune as it occults a background star when the relative velocity between Neptune and the Earth is 30 km/s,and the star crosses through the middle of the planet and disappears for 27.6 minutes.What is Neptune's diameter? A) B) 800 km C) 4,000 km D)
B) 800 km
C) 4,000 km
D) You observe Neptune as it occults a background star when the relative velocity between Neptune and the Earth is 30 km/s,and the star crosses through the middle of the planet and disappears for 27.6 minutes.What is Neptune's diameter? A) B) 800 km C) 4,000 km D)

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