Voyager 2
Voyager 2 is an outer-planet exploration spacecraft.[1]
History
The launch of Voyager 2 took place on August 20, 1977.[1]
Findings
No other spacecraft has visited Uranus or Neptune.[1] Voyager 2 revealed two new rings and ten previously unknown moons around Uranus.[1] The twin Voyager spacecraft also studied 48 natural satellites associated with the planets.[2] Voyager 2 made its Uranus encounter during January 1986 and its Neptune encounter during August 1989.[3]
Current status
Voyager 2 crossed into interstellar space in 2018.[1] NASA lists the mission as extended.[1]