Two spacecraft, Voyager 1 and 2 (illustrated), now sail through interstellar space, providing independent reports about how the sun interacts with the rest of the galaxy.
JPL-Caltech/NASA
Two spacecraft, Voyager 1 and 2 (illustrated), now sail through interstellar space, providing independent reports about how the sun interacts with the rest of the galaxy.
JPL-Caltech/NASA