Voyager 1 crossed the Sun's plasma boundary in 2012, yet it remains thousands of years from the gravitational edge of the solar system. The post The Voyager 1 probe, launched in 1977, crossed into interstellar space in 2012 — but it will still take many thousands of years to exit the Oort Cloud, meaning it has technically left the solar system and is nowhere near leaving the solar system at the same time appeared first on Space Daily .