By Kenneth Chang
Deep, narrow canyons on Titan, Saturn’s largest moon, are flooded with liquid methane and other hydrocarbons, radar data from NASA’s Cassini spacecraft has found.
Titan, the Saturn moon with a diameter one and a half times that of Earth’s moon, is a surprisingly complex world. It has three large seas, a thick covering of haze and clouds, and surface contours carved by erosion — despite temperatures of about minus 300 degrees Fahrenheit (minus 184 Celsius).
“For many things, it is similar to our planet,” said Valerio Poggiali of the University of Rome, and a member of the Cassini spacecraft mission’s radar team. “That is why we consider Titan really a laboratory for a deeper understanding of our home planet.”
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