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What else can I help you with?
How many explorations of mercury have there been?
3
How many times Neptune been visted by spacecraft?
1 time Neptune has been vist
How many human explorations have there been on Jupiter?
There have been no human explorations on Jupiter. All missions to Jupiter have been conducted using robotic spacecraft.
When did Leif Ericson's explorations end?
Leif Ericson's explorations ended in 1003 when he returned to Greenland. He had been to Greenland in 1002 and had converted many of the people to Christianity.
How many astronauts have visited Neptune?
There have , as of yet , been none .
How many revolution have Neptune made?
according to evolution, millions of them
How many times has Neptune been explored?
It has never been explored by humans and never will.
How many satellites probes have been to neptune?
Only one spacecraft has visited Neptune: NASA's Voyager 2 probe, which made a flyby of the planet in August 1989. Voyager 2 provided our first close-up images and scientific data of Neptune and its moons.
How many satellite or robots have been sent to neptune and when?
Voyager 2 is the only spacecraft to have visited Neptune. The probe's closest approach to Neptune was on 25 August 1989.
How many moons are there on the planet Neptune?
There are no moons ON Neptune, moons orbit a planet, they do not sit on it.Orbiting Neptune, however, 13 moons have been discovered so far. They are:NaiadThalassaDespinaGalateaLarisaaProteusTritonNereidHalimedeSaoLaomedeiaPsamatheNeso
How many missions to Neptune have there been?
not sure... at least one - the voyager 2
How many people have landed on Neptune?
No people have landed on Neptune. It is a gas giant located in our solar system and no spacecraft has ever been able to physically land on its surface due to its extreme weather conditions and lack of a solid surface.
