GJ 238 b
GJ 238 b is a hot small rocky planet orbiting a red dwarf star 49.6 ly away. A year there lasts 1.7 days. It was found using the transit method: it dims its star as it passes in front. Note: its mass is estimated from its size.
What it would be like in Worldwalk imagined
Nobody has seen the surface of GJ 238 b. The game builds it from the real numbers above: you land on dry, dusty desert rock.
- Air: thin CO₂ (carbon dioxide), N₂ (nitrogen) · a guess. Surface pressure: 0.94 bar.
- A 70 kg explorer would feel like 28 kg.
- A jump that clears 50 cm on Earth would reach about 125 cm.
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.
Play GJ 238 bSimilar worlds nearby
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.