none
It has never been explored by humans and never will.
As of now, only one satellite has explored Pluto: NASA's New Horizons spacecraft in 2015. No robots have directly explored Pluto's surface, but data collected by New Horizons has provided valuable insights into this distant world.
None, although Voyager 2 did a fly by in 1989
Voyager 2 is the only spacecraft to have visited Neptune. The probe's closest approach to Neptune was on 25 August 1989.
saturn has only been visited 4 times by spacecrafts
No robots have been to Pluto just yet. However, come July 2015, the spacecraft New Horizons will arrive to study Pluto and it's moons.
There are many satellites and robots that have explored Earth. Some notable examples include the Hubble Space Telescope, Landsat series of satellites, Sentinel satellites, and the Mars rovers Spirit, Opportunity, and Curiosity which have provided valuable data and insights about Earth and beyond.
How many robots and satilites does mars have
They are almost 270 robots
There are many different robots in the universe. Also the scientists always create new robots everytime.
Shoot Many Robots happened in 360.
Many places sell robots, There are many different types of robots and complexity. They can be found in toy stores and hobby shops.