Multiple Choice
Astronomers believe that the "hot Jupiters" found orbiting other stars must have migrated inward over time:
A) by slowly accreting large amounts of gas and increasing their gravitational pull
B) by losing their gas due to evaporation
C) by losing orbital angular momentum
D) after colliding with another planet
E) after a close encounter between their star and another star
Correct Answer:
Verified
Correct Answer:
Verified
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