Multiple Choice
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? (Hint: Review the use of Newton's version of Kepler's Third law from Ch. 4)
A) Planet 2's semimajor axis is about 3 times smaller than Planet 1's.
B) Planet 2's semimajor axis is about 3 times larger than Planet 1's.
C) Planet 2's semimajor axis is about 5 times larger than Planet 1's.
D) Planet 2's semimajor axis is about 5 times smaller than Planet 1's.
Correct Answer:
Verified
Correct Answer:
Verified
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