You Have Observed the Wobble in the Velocity Curves of Two

question 74

Multiple Choice

You have observed the wobble in the velocity curves of two otherwise identical stars. Star A has a period of 6 months and Star B has a period of 1 year. What can you say about these stars?

• A) Star B must have a planet like Earth.
• B) Star A's planet is more massive than Star B's planet.
• C) It is impossible to say anything about the planets orbiting these stars.
• D) Star A's planet must be closer than Star B's planet.

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