Voyager 2 leaves the Solar System, enters the interstellar realm
Voyager 2 spacecraft left Earth in 1977, until December 10, 2018, it officially left the Solar System, about 18 billion km from our planet.Special points of Uranus
Uranus has a self-rotating axis that is almost parallel to the orbital plane and moves very slowly around the Sun.Voyager 1 was out of the solar system
US scientists on September 12 confirmed NASA's Voyager 1 probe was out of the solar system, marking the first time a human spacecraft has gone so far.Video: NASA probe ships out of the solar system after a 40-year journey
The Voyager 2 spacecraft is an interplanetary unmanned spacecraft launched on August 20, 1977