Astronomers studying a faint red dwarf star called LHS 1903 have found a four-planet system arranged in a sequence that no standard model of planet formation predicted. The system follows a ...
ESA’s Characterizing ExOPlanet Satellite mission, or CHEOPS for short, has found a fourth exoplanet in the LHS 1903 system. The discovery is rather unusual, as the planet seems to have appeared in a ...