News From the Field
To 300 Million Light Years, and Beyond--a New Way to Measure Cosmic Distances
June 8, 2009
Ohio State University researchers have found a way to measure distances to objects three times farther away in outer space than previously possible, by extending a common measurement technique. They discovered that a rare type of giant star, often overlooked by astronomers, could make an excellent signpost for distances up to 300 million light years--and beyond.
Ohio State University
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