TRAPPIST-1 System Compared with Mercury Orbit (Artist’s Illustration)

The TRAPPIST-1 system, consisting of several known Earth-sized planets orbiting a red dwarf star, would fit deep inside the orbit of the sun's innermost planet, Mercury.

About the data

Data were provided by the HST proposal 14500: J. de Wit (MIT), M. Gillon and A. Burdanov (University of Liège, Belgium), A. Burgasser (UCSD), L. Delrez (University of Liège, Belgium), B.-O. Demory (U. Cambridge), E. Jehin (University of Liège, Belgium), S. Lederer (NASA/Johnson Space Center), N. Lewis (STScI), P. Magain (University of Liège, Belgium), and D. Queloz and A. Triaud (U. Cambridge).

The science team also includes V. Van Grootel (University of Liège, Belgium), C. Opitom (University of Liège, Belgium), D. Sahu (Indian Institute of Astrophysics), and D. Gagliuffi (UCSD).