After months of back in forth, scientists now agree that NASA's Voyager 1 has become the first manmade object to leave the solar system. And it only took 36 years to make the 12 billion mile-long journey.
After months of back in forth, scientists now agree that NASA's Voyager 1 has become the first manmade object to leave the solar system. And it only took 36 years to make the 12 billion mile-long journey.