What did the Huygens probe photograph as it landed on Titan?
A) dry, featureless plains
B) a water world of frozen ice sheets
C) a pockmarked surface covered with volcanos
D) hills, valleys and rivers
E) nothing; there was zero visibility due to the methane smog

Question

Quizplus · Accepted Answer

The Huygens probe photographed hills, valleys, and river-like channels on Titan's surface, indicating the presence of liquid methane or ethane.

What Did the Huygens Probe Photograph as It Landed on Titan