Suppose Mercury Had 5-To-3 Spin-Orbit Coupling and That Its Sidereal

question 83

Multiple Choice

Suppose Mercury had 5-to-3 spin-orbit coupling and that its sidereal period remained 88 days, as now. An observer sees the Sun directly overhead in the Mercurian sky and then observes again from the same location 88 days later. Where will the Sun be in the sky? (Mercury, like Earth, rotates toward the east.)

• A) below the eastern horizon
• B) below the western horizon
• C) directly overhead again
• D) directly on the opposite side of the planet

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Implied Warranty

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