No spacecraft has visited all the planets.
voyager 2
Pluto has yet to be visited by a spacecraft because it is so far away.
There are many planets in our solar system that have not been visited by a spacecraft. As of now, the planet Uranus has not been visited by any spacecraft.
All of the eight planets have been visited or orbited by space probes.
venus was the first planet visited by the American spacecraft
I think that they have tried but failed. But i could be wrong...
It's the closet and rather similar to the earth.
The Cassini spacecraft is the only spacecraft to have visited Saturn. It orbited the planet from 2004 to 2017, providing valuable data and images of Saturn and its moons.
Depends on whether you say Pluto is a planet or not. If you say it isn't, then there are no planets that haven't been visited by a spacecraft. If you say it is, then there is one that hasn't been visited yet, but one is on the way.
Voyager 2, which flew by the giant planet in 1989.
Yes. A spacecraft has visited this planet. They came in peace. The space creatures discovered that humans fought wars with each other. As a result they wanted nothing to do with such wild animals so they left and went to a more civilized world.
April 2008 At present the only planet in our solar system that has not been visited (either by an orbiting spacecraft or flyby spacecraft) has been the recently planet downgraded body of Pluto. There is a mission currently in motion to visit this distant outpost.