The fact that Jupiter's radius is contracting at a rate of 1 mm per year results in:
A) Jupiter's rotation rate slowing down with time
B) Jupiter's shape being noticeably oblate
C) Jupiter moving slightly farther from the Sun with time
D) Jupiter radiating more heat than it receives from the Sun
E) Jupiter having a strong magnetic field

Question

Quizplus · Accepted Answer

Jupiter's contraction releases gravitational energy, which is converted into heat, causing it to radiate more heat than it receives from the Sun.

The Fact That Jupiter's Radius Is Contracting at a Rate