Cosmic Epochs

Astronomers Find One of the Youngest and Brightest Galaxies in the Early Universe

A massive cluster of yellowish galaxies is seemingly caught in a spider web of eerily distorted background galaxies in the left-hand image, taken with the Advanced Camera for Surveys (ACS) aboard NASA's Hubble Space Telescope. The gravity of the cluster's trillion stars acts as...

Galaxy Cluster Abell 1689

Visible Light - Hubble

Infrared Light - Hubble

Infrared Light - Spitzer

A Young Galaxy Brimming with Star Birth

This is an artist's impression of an embryonic galaxy brimming with star birth in the early universe, less than a billion years after the Big Bang. The galaxy is still forming and looks nothing like the majestic spiral and elliptical galaxies that are neighbors of our Milky Way...