
Chapter 1
The great escape
Chapter 2
Finding things in the dark
Chapter 3
Extreme environments
Chapter 4
The nomad neighbors
YOUR GOAL
Master of Rogue planets drifting alone
Ch 3 · Extreme environments
futura Rogue Planets
No star is in the sky, just drifting through the cold, But deep beneath the ice, a liquid world unfolds.

BETA
futura Steer drifting planets through deep space to discover how worlds survive without a sun.
Fun Fact
Warm inside: Some rogue planets with thick atmospheres might have surface temperatures similar to Earth's, despite being in deep space.
Glossary
extremophile (noun)
An organism that thrives in physically or geochemically extreme conditions. In 1999, physicist David Stevenson proposed that geothermal heat on starless worlds could support extremophile organisms.
An organism that thrives in physically or geochemically extreme conditions. In 1999, physicist David Stevenson proposed that geothermal heat on starless worlds could support extremophile organisms.
Quiz
What process do Earth organisms near deep-sea hydrothermal vents use to make food without sunlight?
Quiz
What is the surface temperature of an unprotected rogue planet likely to be in deep space?
Quiz
What protective layer prevents a rogue planet's liquid oceans from evaporating into space?


