Venus and Earth provide astonishingly different views of the evolution of a rocky planet, raising the question of why these two rocky worlds evolved so differently. The recently discovered transiting super-Earth LP 890-9c is a key to the question. This exoplanet circles the nearby red dwarf star LP 890-9 in 8.46 days and receives a similar amount of energy as modern Earth receives from the Sun, which puts LP 890-9c very close to the inner edge of...
