WORLDWALKLHS 1140 b
A dense super-Earth 49 light-years away. JWST hints at a nitrogen atmosphere, and it may be an ice-covered world with a liquid ocean under the side facing its star. 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 LHS 1140 b. The game builds it from the real numbers above: you land on a frozen shell of ice.
- Air: N₂ (nitrogen) (JWST hint, guess). Surface pressure: 1 bar.
- A 70 kg explorer would feel like 131 kg.
- A jump that clears 50 cm on Earth would reach about 27 cm.
- Every step is hard work: your legs carry far more than your body weight.
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.