Chris Impey is University Distinguished Professor at the University of Arizona. His research interests center in observational cosmology, gravitational lensing, and the evolution and structure of galaxies. He is a past Vice President of the American Astronomical Society and has served on its Executive Council and its Astronomy Education Board. His web design and curriculum projects have been supported by both NASA and the National Science Foundation.
- The Living Cosmos
- How It Ends: From You to the Universe
- How It Began: A Time-Traveler's Guide to the Universe
In the first half, former staff scientist at the Environmental Protection Agency, E.G. Vallianatos, talked about how he witnessed first hand the catastrophic collusion between the EPA and the chemical industry. In the latter half, Deputy Head of the Department of Astronomy at the University of Arizona, Chris Impey, discussed four decades of dramatic advances in astronomy and planetary science, as well current views of cosmology and space exploration. ... More »Host: George Noory
Astronomy Professor Chris Impey discussed the structure of galaxies, exoplanets, the Big Bang, and various other topics in astronomy and cosmology. Regarding the size of the universe, "the current view in the expanding Big Bang picture is that the distance to the edge...as well as we can measure, is about 40 billion light years," he said. First hour guest, finance expert Craig Smith gave an overview of the troubled economy, and predicted that the U.S. is headed for a "currency collapse." ... More »Host: George Noory
In the first half of the show, Astronomy Professor Chris Impey discussed the evolution and structure of galaxies, as well as the eventual death of the Milky Way. In the latter half of the show, Maj. Ed Dames returned to share remote viewing updates on such topics as the oil spill, evacuations, solar activity, and the economy. ... More »Host: George Noory