If you've opened a fortune cookie, you've probably read an aphorism, like this one, 'The world may be your oyster, but that doesn't mean you'll get its pearl.' In just a few words this quote tells the reader a lesson about life, that you have nearly limitless possibilities, but not all of them lead to a great reward.
The exploration of Neptune has only begun with one spacecraft, Voyager 2 in 1989. Currently there are no approved future missions to visit the Neptunian system. NASA, ESA and also independent academic groups have proposed future scientific missions to visit Neptune.
voyager 2 is easily the most famous spacecraft sent from earth to explore other planets launched on august 20 1977 voyager visited jupiter and saturn and is the only spacecraft to have ever made a flyby of the outer planets uranus and neptuneoyager 2 is easily the most famous spacecraft sent from earth to explore other planets launched on august 20 1977 voyager visited jupiter and saturn and is the only spacecraft to have ever made a flyby of the outer planets uranus and neptune