NETWATCH: Revising the Universe
Science · 2007
In the 1920s, astronomers tussled over whether the universe has more than one galaxy. Less than a century earlier, the chemical composition of stars was unknown and, according to one philosopher, unknowable. Focus on how our understanding of the universe took shape at Cosmic Journey, a new history of cosmology from the American Institute of Physics (AIP) in College Park, Maryland.