A striking characteristic on Triton, the largest satellite of Neptune, is
A) a brightness variation: one hemisphere is as bright as ice and the other hemisphere is as dark as asphalt.
B) plumes of nitrogen gas rising from the icy surface, possibly as a result of radioactive heating.
C) an interconnecting network of parallel grooves, indicating tectonic activity in geologically recent times.
D) a crater so large that the impact that created it must have come close to shattering the satellite.

Question

Quizplus · Accepted Answer

Triton, Neptune's largest moon, is known for its active geysers or plumes of nitrogen gas, which are thought to be caused by seasonal warming of its surface by the Sun. This phenomenon is unique among the icy bodies in the outer Solar System and indicates a form of geologic activity.

A Striking Characteristic on Triton, the Largest Satellite of Neptune