As of 2024, the United States, the Soviet Union, Japan, and the European Space Agency have conducted missions to comets. List of missions to minor planets...

probes to asteroids and comets, but excludes lunar missions, which are listed separately at List of lunar probes and List of Apollo missions. Flybys...

List of missions to comets List of missions to the outer planets List of Solar System probes List of landings on extraterrestrial bodies List of extraterrestrial...

planets, moons and comets, but orbit the Sun. Most missions to minor planets have been to asteroids or dwarf planets. Spacecraft visits to minor planets have...

(including gravity-assist flybys) space missions to the planet Venus. Missions to Venus constitute part of the exploration of Venus. The Soviet Union followed...

list of spacecraft missions (including unsuccessful ones) to the planet Mars, such as orbiters, landers, and rovers. Mission Type Legend   Mission to...

part of human exploration of the Moon, numerous space missions have been undertaken to study Earth's natural satellite. Of the Moon landings, Luna 2 of the...

(numbered, excludes comets, see Trans-Neptunian object) List of missions to the Moon List of missions to Venus List of missions to Mars List of proposed Solar...

planets and comets visited by spacecraft List of missions to minor planets List of missions to comets List of Solar System probes List of artificial objects...

who used parallax measurements to show that comets must lie beyond the Moon. Many were still unconvinced that comets orbited the Sun, and assumed instead...