In our 13.8 billion-year-old universe, most galaxies like our Milky Way form gradually, reaching their large mass relatively late. But a new discovery made with the Atacama Large Millimeter/submillimeter Array (ALMA) of a massive rotating disk galaxy, the Wolfe Disk, seen when the universe was only ten percent of its current age, as … Continue reading “The Big Bang Galaxy” –‘Wolfe Disk’ Challenges Prior Assumptions