Back to (Near) the Beginning: Galactic springtime
By Ron Cowen, 15:56 PM April 15, 2008
In their quest to capture ever-earlier moments of cosmic history, astronomers have found some of the first galaxies, a new study suggests.
The researchers used infrared and visible-light observations to compare the properties of two previously identified sets of distant objects: about 21 galaxies viewed as they appeared about 1.2 billion years after the Big Bang and 120 galaxies that are around a billion years older.
Before using the younger group to test ideas about the first stages of galaxy...
Source URL: https://www.sciencenews.org/article/back-near-beginning-galactic-springtime?mode=magazine&context=604