Uranus - was first discovered by William Herschel, by telescope on 13th march 1781. It was first explored by satellite, when Voyager II did a fly-by (in January 1986) - on its way out of the solar system.
cassinni in 2007
yes one was in 1986and one was in 2007
There are no satellites or robots on Neptune.
Patricia
name and year/imformation
Voyager 2, 1989.
inmolmom
voyager 2 in 1986
no
cassinni has and in 2004
satellites are in use to find ruins, Old camps, Etc in rain forests. As for robots i am not sure about in the wilderness the military does have robots that can map out buildings on its own and come back to the operator.
Uranus was discovered on the day march 31,1781 by an astronomer named sir william herschel. Uranus was also the first planet discovered with a planet.