At current we have sent, or are sending, probes to all of the planets in our solar system. The probe Voyager has visited several planets, including Jupiter and Neptune, while Cassini is currently in orbit around Saturn.
there has been 16 probes that had been sent to venus.
Unmanned space probes in the early years of the Space Race have been sent to close to planets like Saturn, Uranus, and Neptune.
The U.S. has sent a number of space probes to the planet Mars. Several have been orbiting camera platforms, while others have been rovers or lander.
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Probes, satellites, and rovers have been sent to the planet Mars. These devices have been able to gather data, pictures, and materials from the planet.
Yes, NASA has sent a couple of unmanned probes to examine Mercury, Mariner 10 which did a flyby and the MESSENGER orbiter.
There have been over 300 probes sent into space as well as more than 1000 satellites orbiting the earth.
No, there haven't been any space probes to land on Pluto physically, but the Hubble Space Telescope has been, somewhat, close to be able to take pictures of Pluto.
As of 2014, humans have not set foot on the planet Mercury. To date, the only probes sent have been Mariner 10 which did a flyby, and the MESSENGER orbiter; both probes from NASA.
There haven't been any probes sent to Eris.
The space probe Mariner 10 has been sent to Mercury. Currently the unmanned space probe MESSANGER is photographing and studying Mercury.
What the probes or stellites that have been sent to Jupiter are