New Observations Reveal How Star Formation Shuts Down in Elliptical Galaxies

New research reveals that three billion years after the Big Bang, massive elliptical galaxies still made stars on their outskirts, but no longer in their interiors. Astronomers have shown for the first time how star formation in “dead” galaxies sputtered out billions of years ago. The NASA/ESA Hubble Space Telescope and ESO’s Very Large Telescope […]
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