Yes Voyager 2 came closest to Neptune on August the 25th 1989.
Voyager 2 is the only spacecraft to currently visit Neptune, passing 3,000 miles from the planet on August 25, 1989.
No. Astronauts have never been anywhere near any astronomical bodies except Earth and the Moon.
No person has visited Jupiter the closest we have been is to observe the planet with high powered telescopes.
The planets Uranus and Neptune were discovered only in modern times after the heliocentric model had been generally accepted.
India has launched approximately 74 satellite rockets.
Voyager 2 is the only spacecraft to have visited Neptune. The probe's closest approach to Neptune was on 25 August 1989.
Voyager 2 is the only spacecraft to have visited Neptune. The probe's closest approach to Neptune was on 25 August 1989.
It can be seen and weighed (it has a satellite) and visited (a probe went by).
There have , as of yet , been none .
The only planet astronauts have visited is earth. The moon, a satellite, has also been visited.
The space probe "Voyager 2" flew past Neptune.
Voyager 2 visited it in 1989.
The exploration of Neptune was only a fly-by of the Voyager 2 on August 25, 1989. Neptune is a gas giant without a solid surface, hence, a surface mission such as a lander or rover is impossible.
Voyager 2 is the only spacecraft to visited Neptune.
"http://wiki.answers.com/Q/Which_satellites_have_visited_neptune_planet" "http://wiki.answers.com/Q/Which_satellites_have_visited_neptune_planet"
list all human explorations from satellite probes to planet neptune with a satellite name and date
No. No one has visited Neptune