Two stars with about the same mass are found to have transiting planets with similar semi- major axes. Star 1 exhibits a Doppler shift twice as large as Star 2. What can we determine about these two systems?
A) The planet around Star 2 has a thicker atmosphere than the planet around Star 1.
B) The planet around Star 1 has a thicker atmosphere than the planet around Star 2.
C) The planet around Star 2 is more massive than the planet around Star 1.
D) The planet around Star 1 is more massive than the planet around Star 2.
Correct Answer:
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