TRAPPIST-1's 7 Rocky Planets May Be Made of Similar Stuff - Communiqués de presse
TRAPPIST-1's 7 Rocky Planets May Be Made of Similar Stuff The Universities of Bern, Geneva and Zurich have made astonishing discoveries about the composition of the planets of the star TRAPPIST-1. © Lead Art, Nasa/ JPL-Caltech. The TRAPPIST-1 star is home to the largest batch of roughly Earth-size planets ever found outside our solar system. An international study involving researchers from the Universities of Bern, Geneva and Zurich now shows that the exoplanets have remarkably similar densities, which provides clues about their composition. Discovered in 2016 some 40 light-years away, the...
Source: unige.ch