WORLDWALKKMT-2017-BLG-0428L b
KMT-2017-BLG-0428L b is a frozen water-rich world orbiting a star 17,612 ly away. It was found using gravitational microlensing: its gravity briefly magnified a more distant star. Planets this size may be wrapped in thick gas; the game imagines it as a solid or water world you can walk on. It is one of the most distant planets known. Note: its size is estimated from its mass, its temperature is unknown, so the game assumes one.
What it would be like in Worldwalk imagined
Nobody has seen the surface of KMT-2017-BLG-0428L b. The game builds it from the real numbers above: you land on a frozen shell of ice.
- Air: None, frozen out. Surface pressure: almost none.
- A 70 kg explorer would feel like 79 kg.
- A jump that clears 50 cm on Earth would reach about 44 cm.
- 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.
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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.