Only one through 2009. The Voyager 2 probe visited Neptune in 1989, having previously passed Jupiter, Saturn, and Uranus. Voyager 2 took the first close-up photos of the Neptunian moon Triton and discovered 5 new inner moons.
Voyager 2 is the only spacecraft to visit Neptune, passing 3,000 miles from the planet on August 25, 1989.
0 stupid. neptune is A., a gas giant and uninhabitable, and B., it is 2697000000 miles away
The Voyager 2 is the only spacecraft to have ever visited the planet Neptune.
Voyager 2 is the only spacecraft to have currently visited both.
NASAS voyonger 2 was the first to visit neptune
The only spacecraft to have visited Neptune is the space probe Voyager 2, which flew by Neptune in August 1989.
Voyager 2, which flew by the giant planet in 1989.
As of 2011, only one spacecraft has passed relatively close to Neptune. The Voyager 2 probe visited Neptune in 1989, having previously passed Jupiter, Saturn, and Uranus. Voyager 2 took the first close-up photos of the Neptunian moon Triton, and discovered five inner moons: Naiad, Thalassa, Despina, Galatea and Proteus.
Just one.
yes
Voyager 2 is the only spacecraft to visited Neptune.
Voyager 2 is the only spacecraft to have currently visited both.
Voyager 2 is the only spacecraft to have visited Neptune, reaching it on August 25, 1989.
Voyager 2 is the only spacecraft to have visited Neptune. The probe's closest approach to Neptune was on 25 August 1989.
NASAS voyonger 2 was the first to visit neptune
None. The first spacecraft, Sputnik 1, didn't get into space until 1957. Voyager 2 did a fly-by of Neptune in 1989.
Yes, the Voyager 2 probe visited all four gas giant planets; Jupiter, Saturn, Uranus and Neptune. It flew by Neptune in 1989.
The only spacecraft to have visited Neptune is the space probe Voyager 2, which flew by Neptune in August 1989.
Voyager 2 is the only spacecraft to currently visit Neptune, passing 3,000 miles from the planet on August 25, 1989.
Voyager 2 flew by Neptune in 1989, coming within 30,000km of the planet.