A bowling ball-size probe from a spaceship and a pebble-size object land on a large asteroid that is far from any star. After a long period of time has passed, it is highly probable that the pebble and the probe
A. have each had the same change in temperature.
B. have each had the same change in volume.
C. are in thermal equilibrium with one another.
D. are not in thermal equilibrium with one another.
E. are in thermal equilibrium with one another, but are not at the same temperature.
Answer: C
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