NASAJPL
@qzbarslomyrn
One week ago: The SPHEREx space observatory launched aboard a SpaceX Falcon 9, beginning its mission to survey hundreds of millions of galaxies and answer some of our universe's biggest cosmic questions. 🚀 Learn more about NASA's next cosmic mapmaker: https://t.co/7x1BgwTiKo https://t.co/hj3fQ8wr6C
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