
Voyager 2’s 'shocking' discovery at Triton: Why those erupting plumes changed space science forever.
Voyager 2 passed Neptune's moon Triton in 1989 and photographed it erupting, a discovery scientists called the flyby's biggest surprise. Dark plumes rose nearly eight kilometres and drifted downwind. This showed that even the coldest surface in the Solar System could be active, changing how many experts view outer space.







