To 300 Million Light Years, And Beyond: A New Way To Measure Cosmic Distances
Monday, June 8, 2009 - 13:28
in Astronomy & Space
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.