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In the Search for Exoplanets, Some Failures Are A Success
Astronomers used decades of archival data and new radial velocity measurements to search for exoplanets around a neaby binary star, 70 Oph AB. They didn't find any, which can seem like a failure. But in this case, their work only ruled out large, Jupiter-mass planets at certain distances. There could still be Earth-sized planets there, and their precise findings will only fuel a deeper search with more powerful telescopes.
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