Three planets all orbit the same star. The radius of each planet, and its distance from the star, are distance planet radius (km) (AU) A 8.3 x 10 B 9.0 x 10 C 6.1 x 10 67 42 27 Assume these are terrestrial planets that all formed at the same time. Which planet is first to lose the internal heat it had when it first formed? (Ignore radioactive decay of materials within the planet) O There is not enough information OPlanet A O All three cool at the same rate and will become geologically dead at aound the same time O Planet O Planet C
Three planets all orbit the same star. The radius of each planet, and its distance from the star, are distance planet radius (km) (AU) A 8.3 x 10 B 9.0 x 10 C 6.1 x 10 67 42 27 Assume these are terrestrial planets that all formed at the same time. Which planet is first to lose the internal heat it had when it first formed? (Ignore radioactive decay of materials within the planet) O There is not enough information OPlanet A O All three cool at the same rate and will become geologically dead at aound the same time O Planet O Planet C
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Transcribed Image Text:Three planets all orbit the same star. The radius of each planet, and its distance from the star, are
distance
planet radius (km)
(AU)
A 8.3 x 10
67
B 9.0 x 10
C 6.1 x 10
42
27
Assume these are terrestrial planets that all formed at the same time. Which planet is first to lose the
internal heat it had when it first formed? (Ignore radioactive decay of materials within the planet.)
There is not enough information
O Planet A
All three cool at the same rate and will become geologically dead at around the same time.
O Planet B
O Planet C
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