Voyager 1 launched in 1977 on a four-year mission and is still flying 49 years later, now so far away that in November 2026 a radio signal will take a full 24 hours to reach it — so when engineers say “good morning” on a Monday, the answer won’t arrive until Wednesday.

Voyager 1 launched in 1977 on a four-year mission and is still flying 49 years later, now so far away that in November 2026 a radio signal will take a full 24 hours to reach it — so when engineers say “good morning” on a Monday, the answer won’t arrive until Wednesday. – Space