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A streak lights up the sky as the first stage of a SpaceX Falcon 9 rocket lands at Vandenberg Space Force Base’s Landing Zone 4 in California on Tuesday March 11, 2025, following the launch of NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer) observatory and PUNCH (Polarimeter to Unify the Corona and Heliosphere) satellites. SPHEREx will use its telescope to provide an all-sky spectral survey, creating a 3D map of the entire sky to help scientists investigate the origins of our universe. PUNCH will study origins of the Sun’s outflow of…
