The seven planets of the TRAPPIST-1 system have similar composition
The red dwarf star TRAPPIST-1 incorporates the largest number of Earth-sized planets ever discovered outside of our Solar System. According to a recent study, all of these exoplanets have remarkably similar densities, providing new clues to their composition. The discovery of the TRAPPIST-1 system in 2017, just 39 light years from Earth, made headlines. And […]
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