WORLDWALKKepler-138 e
Kepler-138 e is a temperate Earth-size planet orbiting a red dwarf star 218.1 ly away. A year there lasts 38.2 days. It was found using tiny timing shifts in a neighboring planet's transits. Its temperature could allow liquid water, which makes it a habitable-zone candidate, not a confirmed habitable world. It sits where a planet could be warm enough for liquid water, in the so-called habitable zone.
What it would be like in Worldwalk imagined
Nobody has seen the surface of Kepler-138 e. The game builds it from the real numbers above: you land on bare, cratered rock with no air.
- Air: None (bare rock). Surface pressure: almost none.
- A 70 kg explorer would feel like 47 kg.
- A jump that clears 50 cm on Earth would reach about 74 cm.
- With almost no air, a hammer and a feather fall side by side, and sound cannot travel.
Pack the right suit. Choose 3 of 6 modules (cooling, heating, pressure hull, extra oxygen, radiation shield, jetpack), complete 3 surveys and get back to the lander before your oxygen runs out.
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Sizes, masses, temperatures and orbits come from the NASA Exoplanet Archive (Planetary Systems Composite table). Values marked estimated are calculated from the other measurements; the surface and air are imagined for the game.