It's official - NASA's Voyager 1 has become the first man-made object to leave the solar system.
Scientists have been debating for more than a year whether the 36-year-old spacecraft had made it into interstellar space, and now they've proved it has.
But now long can it last, and how far will it go?
Otago University chemistry professor Allan Blackman takes a look – watch the video.
source: newshub archive
