A Striking Characteristic on Triton, the Largest Satellite of Neptune

question 148

Multiple Choice

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.

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