Astronomy Lecture 1: What Is a Star?
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Apr 10, 2008
Apr 10, 2008
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In this first lecture video of three in the Frontiers of Science unit on astronomy, Columbia University professor David Helfand sifts through astrophysics jargon to explain the basic physics behind stars%u2014"our signposts for measuring our place in the Universe and its history"%u2014and how they evolve over cosmic time. A lecture transcript and companion PowerPoint presentation are also available on FoSO.
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