Saving NASA's STEREO-B

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Saving NASA's STEREO-B: The 189-million-mile Road to Recovery

On Oct. 1, 2014, NASA mission operations lost communication with one of the two spacecraft of the Solar and Terrestrial Relations Observatory, or STEREO, mission, just as the spacecraft was about to orbit around the other side of the sun. Though they haven’t heard from the Behind spacecraft, also known as STEREO-B, in over a year, the spacecraft has finally emerged into a region where it can once again receive radio signals. Scientists have a plan to get it back—and their chances only get better with time.

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