As NASA’s Voyager 1 travels further into the cosmos, it’s on the brink of a new, groundbreaking milestone. In late 2026, it will be the first spacecraft to be so far from Earth that a radio signal ...
It takes a beam of light a single day to travel 16.1 billion miles, a distance known as a light-day. It'll take Voyager 1, the American spacecraft moving at 10.6 miles per second, more than 49 years ...