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News Release 10-124

Green Bank Telescope Enables "Intensity Mapping" to Shed Light on Mysteries of Dark Energy

Carnegie Mellon researcher Jeff Peterson describes new technique developed by international research team to expand understanding of the expanding universe

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Photo of the Robert C. Byrd Green Bank Telescope.

The Robert C. Byrd Green Bank Telescope (GBT) is the world's largest, fully steerable radio telescope. It is located in Green Bank, W.Va., in a quiet, radio-free zone.

Credit: Credit: NRAO/AUI

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Principle Investigator Jeff Peterson of the Department of Physics at Carnegie Mellon University, in video soundbites describes a new technique to survey the universe called "Intensity Mapping." His team's discovery is detailed in the July 22, 2010 issue of the scientific journal Nature.

Credit: National Science Foundation and Carnegie Mellon University