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GJ 3779 b

GJ 3779 b is a hot large super-Earth orbiting a red dwarf star 44.8 ly away. A year there lasts 3 days. It was found using the radial velocity method: it makes its star wobble. Planets this size may be wrapped in thick gas; the game imagines it as a solid or water world you can walk on. Note: its size is estimated from its mass, only a minimum mass is known.

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EarthGJ 3779 b
Gravity10.38 m/s²1.06× Earth estimated
Size2.75× Earthradius estimated
Mass8× Earthmeasured
Temperature≈ 254 °Cequilibrium temperature measured
Distance44.8 light-yearsfrom the Sun
Its star3,324 Ka red dwarf
One year3 daystime to orbit its star
Discovered2018radial velocity

What it would be like in Worldwalk imagined

Nobody has seen the surface of GJ 3779 b. The game builds it from the real numbers above: you land on dry, dusty desert rock.

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.