Titan is the only world beyond Earth where you could step outside without a pressure suit — the air is thick enough to keep your body intact — but the surface sits at minus 179 degrees Celsius, where methane and ethane fall as rain

Titan is the only world beyond Earth where you could step outside without a pressure suit — the air is thick enough to keep your body intact — but the surface sits at minus 179 degrees Celsius, where methane and ethane fall as rain

A human who stepped onto Titan without protective equipment would die quickly. The surprising part is what would not kill them. They would not swell from exposure to a near-vacuum. Moisture on their eyes and tongue would not begin boiling because the surrounding pressure had collapsed. Unlike a person standing on the Moon or Mars, they would not need a garment inflated around the body simply to keep their tissues under pressure. Saturn’s largest…