Why Were the Earliest Galaxies In the Universe Brighter Than Those We See Today?

    “We did not expect that Spitzer, with a mirror no larger than a Hula-Hoop, would be capable of seeing galaxies so close to the dawn of time,” said Michael Werner, Spitzer’s project scientist at NASA’s Jet Propulsion Laboratory in Pasadena, California in 2019. “But nature is full of surprises, and the unexpected brightness … Continue reading Why Were the Earliest Galaxies In the Universe Brighter Than Those We See Today?