This up-to-date and concise account of a critical period of the early universe directly links the latest theories and experiments. Targeted at cosmological prob

Astronomers have successfully observed a great deal of the Universe's history, from recording the afterglow of the Big Bang to imaging thousands of galaxies, an

The exploration of the first billion years of the history of the Universe represents one of the great challenges of contemporary astrophysics. During this time,

THE EDITORS: DAVID L. BLOCK AND KENNETH C. FREEMAN (SOC CO-CHAIRS), IVANIO PUERARI, ROBERT GROESS AND LIZ K. BLOCK 1. Harvard College Observatory, 1958 The past