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As per your syllabus, the escape speed from the Moon's surface is approximately which?
A5.0 km/s
B2.3 km/s
C0.1 km/s
D11.2 km/s
Answer & Solution
Correct answer: B. 2.3 km/s
Your syllabus: v_escape(Moon) ≈ 2.3 km/s, about five times smaller than Earth's.
This is why the Moon has no atmosphere.
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