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K2-25 b

K2-25 b is a hot large super-Earth orbiting a red dwarf star 146.6 ly away. A year there lasts 3.5 days. It was found using the transit method: it dims its star as it passes in front. Planets this size may be wrapped in thick gas; the game imagines it as a solid or water world you can walk on.

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EarthK2-25 b
Gravity20.31 m/s²2.07× Earth measured
Size3.44× Earthradius measured
Mass24.5× Earthmeasured
Temperature≈ 221 °Cequilibrium temperature measured
Distance147 light-yearsfrom the Sun
Its star3,207 Ka red dwarf
One year3.5 daystime to orbit its star
Discovered2015transit

What it would be like in Worldwalk imagined

Nobody has seen the surface of K2-25 b. The game builds it from the real numbers above: you land on bare, cratered rock with no air.

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 K2-25 b

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HD 15337 b146 light-yearsHD 15337 c146 light-yearsTOI-1695 b147 light-yearsWolf 503 b145 light-yearsHD 15906 b149 light-yearsHD 15906 c149 light-years

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.