NASA’s Voyager 2 space probe, leaving the inner solar system en route to a grand tour of the outer planets, suddenly stops transmitting to Earth, failing to acknowledge commands sent by its ground controllers. Any chance of the probe conducting its studies of Jupiter and Saturn, let alone Uranus or Neptune, is in serious jeopardy. Discovering a problem with Voyager 2’s ability to compensate for the Doppler shift in signals coming from Earth, NASA engineers devise a workaround to compensate for this problem from the ground, saving the mission.
Voyaging silently onward?
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