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#OTD in 1998, our Submillimeter Wave Astronomy Satellite (SWAS) launched into space to hunt for water and other molecules linked to life as we know it. For nearly seven years, SWAS helped us study water in the Milky Way, star formation, comets, and more: https://www.cfa.harvard.edu/facilities-technology/telescopes-instruments/submillimeter-wave-astronomy-satellite
#NASAUniverse

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