A star is seen to have two transiting planets. Planet 1 transits every 3 months, and Planet 2 transits every 15 months. What can we infer about their orbits?
A) Planet 2's semimajor axis is larger than Planet 1's.
B) Planet 1's orbit is more eccentric than Planet 2's.
C) Planet 2's orbit is more eccentric than Planet 1's.
D) Planet 1's semimajor axis is larger than Planet 2's.
A
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