From the January 2010 issue

Titan: Earth’s cousin?

This saturnian moon could be the Earth of the outer solar system.
By | Published: January 25, 2010 | Last updated on May 18, 2023
Titan
Titan’s remarkable surface apparently has been scoured by methane rain and rivers.
NASA/JPL/SSI

The effects of geological processes can be seen everywhere on the saturnian moon Titan. And they’re amazingly similar to those occurring on Earth — but in very different materials.