Launched in 1962, Mariner 2 became the first spacecraft to successfully fly by another planet when it passed within 34,773 kilometers of Venus and confirmed the planet's extremely hot surface temperature and pressure.

Larissa

A mid-sized inner moon of Neptune with an irregular shape and heavily cratered surface, discovered in 1981 by Harold Reitsema using ground-based stellar occultation observations.

3 Juno

A large main-belt asteroid discovered in 1804, measuring 234 kilometers across and distinguished by its unusually reflective surface that makes it one of the brightest objects in the asteroid belt.