The Lights of Cosmic Dawn
Listen now
Description
Light from the first stars and quasars appeared millions of years after the Big Bang, but some of it arrives at Earth every day, 14 billion years later. Astronomer Alan Dressler discusses what scientists have been able to see of the universe’s cosmic beginnings and how ambitious new telescopes and techniques might improve the view in the future.
More Episodes
Tony Piro, the George Ellery Hale Distinguished Scholar in Theoretical Astrophysics at the Carnegie Observatories, discusses how scientists are combining observations with theoretical modeling to unravel the mysteries of supernovae. This talk is part of the Carnegie Astronomy Lecture Series at...
Published 04/03/17
Ninety-five percent of the universe is missing, cosmologists say, and most of the missing pieces are made up of dark matter and dark energy. Renowned physicist Edward W. “Rocky” Kolb discusses new experiments and technologies that scientists are using to better measure and understand dark matter,...
Published 03/21/11
Are we alone in the universe? Christopher Burns, research associate at the Carnegie Observatories, discusses our current understanding of how life began on Earth and how likely it is that life could begin elsewhere in our solar system and beyond.
Published 03/07/11