WORLDWALKTOI-789 c
TOI-789 c is a warm Earth-size planet orbiting a red dwarf star 141.6 ly away. A year there lasts 8 days. It was found using the transit method: it dims its star as it passes in front.
▶ Land on TOI-789 cFree · plays in your browser
Gravity22.25 m/s²2.27× Earth measured
Size1.15× Earthradius measured
Mass3× Earthmeasured
Temperature≈ 121 °Cequilibrium temperature measured
Distance142 light-yearsfrom the Sun
Its star3,471 Ka red dwarf
One year8 daystime to orbit its star
Discovered2026transit
What it would be like in Worldwalk imagined
Nobody has seen the surface of TOI-789 c. 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 159 kg.
- A jump that clears 50 cm on Earth would reach about 22 cm.
- Every step is hard work: your legs carry far more than your body weight.
- 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.
Play TOI-789 cOther planets around TOI-789
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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.