What happenedNASA on Sunday launched the Nancy Grace Roman Space Telescope, a $4.3 billion repurposed spy satellite designed to capture panoramic views of the cosmos, cataloguing Earth-like exoplanets and helping solve some of the biggest mysteries of astrophysics: dark matter and dark energy. The bus-sized telescope, named after NASA’s first chief astronomer, blasted off from Florida’s Cape Canaveral aboard a SpaceX Falcon Heavy rocket en route to an observation point a million miles away.

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