Venus Inferior Orbit
sci:astro:venus_inferior_orbitVenus circles the Sun inside Earth's own orbit, so it never strays far from the Sun and shows as either a morning or an evening star — which is why the Greeks' two stars, Phosphoros and Hesperos, are one. The puzzle the ancients solved by guess, orbital geometry settles: a single brilliant world, the hottest, wrapped in a runaway greenhouse.