Voyager 1 Is Now So Far From Earth That A Signal Traveling At The Speed Of Light Takes More Than 22 Hours To Reach It — So When Engineers Send A Command, They Can Wait Nearly Two Days To Know Whether

Sending a command to Voyager 1 is closer to mailing a letter than placing a phone call. The probe, launched in September 1977, is now roughly 16 billion miles from Earth, heading away from the Sun at roughly 38,000 miles per hour. In November 2026, V ...Read more