TRAPPIST-1 seven-planet system
Sistema TRAPPIST-1 de siete planetas terrestres
- Date
- 2016-2017 · confidence high
- Place
- La Silla Observatory (ESO), Chile
- Credited to
- Michaël Gillon and the TRAPPIST team (University of Liège)
- People
- 👤 Michaël Gillon1974–
- Field
- Cosmos & Earth
What was discovered
Seven Earth-sized transiting planets around an ultra-cool dwarf 40 light-years away, three of them in the habitable zone. The best laboratory for studying the atmospheres of rocky worlds.
Confirmed with the Spitzer Space Telescope; the TRAPPIST-South telescope is at La Silla.
What it led to
- Atmospheric observations with Webb
- Orbital resonances and formation of compact systems