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Evolution of Interstellar Communications Systems
Early Nucleosynthesis in an Inhomogeneous Universe
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abundance answer argument astronomers atomic baryonic big bang model Big Bang nucleosynthesis billion bubbles calculations causal century cosmic background radiation cosmic expansion cosmologists cosmology cosmos dark at night density deuterium distance early universe earth Einstein energy equations evidence evolution explain extrapolation fact Ferris Figure Fowler Fuller galactic galaxies Geller going gravitation Guth happened Harrison heavy elements helium Hubble inflation inflationary hypothesis inhomogeneous intelligence interstellar interstellar network kind light look map the universe Margaret Geller matter McMullin Milky Morrison motions Mullin neutron rich neutrons Newtonian Nobel Conference nucleosynthesis observable universe Olbers particles Philip Morrison philosophers physics planets postulated predictions principle problem Professor proton proton rich quantum quasars question redshift rich region riddle scientific scientists SETI shells sort space spheres spin standard model starlight stars steady state universe structure talk telescope there's things voids wonderful zero