Voyager 1 sends back science data from more than 15 billion miles away after NASA fix

AstronomyNASA's Voyager 1 is shown in an artist's illustration as the spacecraft travels through interstellar space, or the space between stars. The Voyager 1 spacecraft is sending back a steady stream of scientific data from uncharted territory for the first time since a computer glitch sidelined the historic NASA mission seven months ago.

On May 19, the Voyager team sent a command to the spacecraft to start returning science data. Two of the instruments responded, but getting data back from the other two took time, and the instruments required recalibration. Now, all four instruments are beaming back usable science data, according to anVoyager 1’s flight data system is responsible for collecting information from the spacecraft’s science instruments and bundling it with engineering data that reflects the probe’s health status.

Since there is no way to repair the chip, the team stored the affected code from the chip elsewhere in the system’s memory. They couldn’t pinpoint a location large enough to hold all the code, so they divided it into sections and stored it in different spots within the flight data system.“Among other tasks, engineers will resynchronize timekeeping software in the spacecraft’s three onboard computers so they can execute commands at the right time,” according to the agency.

As the sole extensions of humanity outside the heliosphere’s protective bubble, the two probes are alone on their cosmic treks as they travel in different directions.

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