Voyager 1 is still transmitting from more than 24 billion kilometres away, but in 2024 NASA had to repair it by remotely moving pieces of 46-year-old code around a failed memory chip — a software patch sent into interstellar space and confirmed nearly two days later.
Voyager 1 began transmitting unreadable data on 14 November 2023. The flight data subsystem, one of three onboard…