Multiple Choice
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) 5 * 104 km
B) 800 km
C) 4,000 km
D) 9 *103 km
E) 3 * 106 km
Correct Answer:
Verified
Correct Answer:
Verified
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