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The top documents tagged [spiral nebulae extragalactic]
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Astronomy 2 Overview of the Universe Spring 2007 11. Lectures on External Galaxies. Joe Miller
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The Big Bang: Fact or Fiction?
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The Big Bang: Fact or Fiction? New perspectives on steady-state cosmology From Einstein to Hoyle Cormac O’Raifeartaigh (Waterford Inst of Technology) Simon
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