Fluctuations in the Primordial Fireball in Nature 215 No. 5106 pp. 1155–1156, September 9, 1967 (Silk) [First Tentative Sightings of CMB Anistropies] WITH Time required for Judgements of Numerical Inequality, pp. 1519-1520 (Moyer and Landauer)
London: Macmillan & Sons, 1967. 1st Edition. FIRST EDITION, FULL VOLUME. Shortly after Wilkinson and Partridge published the first tentative sightings of CMB anistropies, Joseph Silk, in this paper, demonstrated that only very large density irregularities in the early universe (larger than 1,013 solar masses) would survive and be visible..... More