KnowraTRAPPIST-1Linked fromLinked fromThe 11 pages that link to TRAPPIST-1, each with the reason it gives.All 11Broader topic 9Related 1Compared with 1Star systemBroader topic: Its compact, multi-planet architecture contrasts sharply with the Solar System's layout.Super-EarthBroader topic: Several of its planets sit near the low-mass end of the super-Earth population.Mean-motion resonanceBroader topic: Its planets form a chain of near-resonant period ratios that constrains their formation history.Red dwarfBroader topic: Its compact planetary system illustrates how many planets can orbit a small star.Planetary transitBroader topic: Repeated transit signals exposed a compact system with multiple planets crossing the star.Spitzer Space TelescopeBroader topic: Spitzer refined the planets’ sizes and orbits, establishing the system as a major target for atmospheric study.Breakthrough ListenBroader topic: Breakthrough Listen has searched its system for radio emissions.Planetary systemBroader topic: Its compact, resonant planets offer a sharply different architecture from the Solar System.Extraterrestrial lifeBroader topic: Several planets in this system provide targets for studies of habitability and atmospheres.