Help the big antennas gather data from the spacecraft. play; NASA Space Voyagers: The Game. In this strategy card game, build a spacecraft that can explore destinations throughout our solar system. This link takes you away from NASA Space Place. play Links out; Roman Space Observer. Catch as many astrophysical objects and phenomena as possible Georges Lemaître, (born July 17, 1894, Charleroi, Belgium—died June 20, 1966, Leuven), Belgian astronomer and cosmologist who formulated the modern big-bang theory, which holds that the universe began in a cataclysmic explosion of a small, primeval "super-atom.". A civil engineer, Lemaître served as an artillery officer in the Belgian Time, space and matter all began with the Big Bang. In a fraction of a second, the Universe grew from smaller than a single atom to bigger than a galaxy. And it kept on growing at a fantastic rate. It is still expanding today. As the Universe expanded and cooled, energy changed into particles of matter and antimatter. Image credit: NASA. 6.) The 1964 discovery of the leftover glow from the Big Bang was initially thought to be from bird poop. In 1964, scientists Arno Penzias and Bob Wilson, working at the The basics of the theory are fairly simple. In short, the Big Bang hypothesis states that all of the current and past matter in the Universe came into existence at the same time, roughly 13.8 His publications included The Large Scale Structure of Space-Time (1973; coauthored with G.F.R. Ellis), Superspace and Supergravity (1981), The Very Early Universe (1983), and the best sellers A Brief History of Time: From the Big Bang to Black Holes (1988), The Universe in a Nutshell (2001), A Briefer History of Time (2005), and The Grand Design (2010; coauthored with Leonard Mlodinow). .

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