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.
Having completed its flyby of Pluto, New Horizons will be maneuvered for a flyby of Kuiper belt object 2014 MU69. New Horizons is expected to encounter 2014 MU69 on January 1, 2019, when it is 43.4 AU from the Sun.n January 15, 2015, the New Horizons spacecraft began its approach phase to Pluto. On July 14, 2015 11:49 UTC (07:49 EDT), it flew 12,500 km (7,800 mi) above the surface of Pluto, making it the first spacecraft to explore the dwarf planet.