Topic summary
Interplanetary travel

Extracted from the Wikipedia article Interplanetary spaceflight.
Current achievements in interplanetary travel
Remotely guided space probes have flown by all of the observed planets of the Solar System from Mercury to Neptune, with the New Horizons probe having flown by the dwarf planetPluto and the Dawn spacecraft currently orbiting the dwarf planet Ceres. The most distant spacecraft, Voyager 1 and Voyager 2, have entered interstellar space as of 8 December 2018, while Pioneer 10, Pioneer 11, and New Horizons are on course to enter it as well.