NASA's SPHEREx mission aims to map 450 million galaxies and 100 million stars

NASA has begun construction has started on SPHEREx, a new extraordinary mission that will map the sky in unprecedented detail and color.

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Beth Fabinsky ,Spacex ,Propulsion Laboratory ,Deputy Project Manager ,Spacex Falcon ,Spherex ,Nasa ,Space Telescope ,Jet Propulsion Laboratory ,Stars And Galaxies ,Galaxy Formation ,