a protective bubble created by the Sun that extends beyond the orbit of Pluto The Voyager 2 probe, which left Earth in 1977, has become the second human-made object to leave our Solar System.

Data sent back by the two Voyager spacecraft have shed new light on the structure of the Solar System. Forty-two years ... long enough to reach the edge and leave the bubble to enter interstellar ...

It continued outward, becoming the second mission to leave the solar system in 2018, several years after Voyager 1. After all these years in space, Voyager 2's radioisotope thermoelectric ...

NASA's Voyager 1 and 2 spacecraft have long left the farthest reaches of the solar system, entering interstellar space in 2012 and 2018 respectively. The pair were originally intended to study the ...