A burgeoning galactic core nicknamed "Sparky" is showing scientists how galaxies grew and evolved early in the universe's history. Multiple telescopes on the ground and in space gathered information on Sparky, which is more formally known as GOODS-N-774. "It's a formation process that can't happen anymore," study lead author Erica Nelson, a graduate student at Yale University in Connecticut, said in a statement. The dramatic starscape confirms a longstanding theory that huge elliptical galaxies form core-first, researchers said.
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