NASA just patched Voyager 2's software but spared Voyager 1 the risky rewrite

The upgrade might not go well, so prioritized the probe doing better science

NASA patched its Voyager 2 spacecraft last week, to address a bug that last year saw its sibling generate corrupted telemetry data, but won't know if its fix worked - or overwrote critical code - until some time after October 28....