The voyager space probes that visited the outer planets in the 70's and 80's, Voyager 1 and Voyager 2.
Voyager 1 flew by Jupiter and Saturn, while the Voyager 2 probe visited all four gas giant planets; Jupiter, Saturn, Uranus and Neptune.
Voyager 1 is the furthest man made object from Earth at around 122AU from Earth as of September 2012. That is 122 times the distance between the Earth and Sun.
The furthest planet from the sun is Neptune.
Of the true planets in our solar system, Neptune is the farthest from Earth.
Since Pluto has been removed as a planet in our solar system, Uranus is now the farthest planet away.
Neptune is the major planet farthest from the sun.
That is the planet Uranus.
ERIS
About to exit our solar system
The furthest planet from the sun is Neptune.
The planet farthest from the sun in our solar system is Neptune. It is the eighth and final planet in the solar system, located beyond Uranus.
The smallest planet is mercury, and the planet farthest from the sun is Neptune.
Of the true planets in our solar system, Neptune is the farthest from Earth.
Neptune is farthest from the SunUranus is the coldest planet in our solar system
Voyager 2 and Voyager 10 There isn't a Voyager 10. You probably meant Pioneer 10.
The exoplanet currently known to be farthest from our solar system is PSO J318.5-22, which is approximately 80 light-years away in the constellation of Capricornus. It is a rogue planet not orbiting any star.
In our Solar System it would be Mercury.
Since Pluto has been removed as a planet in our solar system, Uranus is now the farthest planet away.
Neptune is the farthest planet from the sun in our solar system.