Early universe 'warmed up' later than previously believed: Research suggests a way to detect the earliest black holes

A new study reveals that black holes, formed from the first stars in our universe, heated the gas throughout space later than previously thought. They also imprinted a clear signature in radio waves which astronomers can now search for. The study is a major new finding about the origins of the universe.

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/b...