Last updated on April 19, 2014 at 13:20 EDT

Latest Spitzer Wide-area Infrared Extragalactic Survey Stories

2005-10-28 18:55:00

JPL -- Nowadays, much of the universe's matter seems to be organized, as stars, solar systems, galaxies, and galaxy clusters are familiar sights of the local universe. However this was not always the case. According to the Big Bang theory, the universe was created approximately 13.7 billion years ago when a singular point exploded, unleashing energy and the fabric of space and time. Galaxies did not exist in this primordial universe and the extreme temperatures kept matter from condensing....