STARS & PLANETS - Astronomy Lectures

Astronomy Lecture 1: What Is a Star?
Link
1:02:02
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—"our signposts for measuring our place in the Universe and its history"—and how they evolve over cosmic time. A lecture transcript and companion PowerPoint presentation are also available on FoSO.




Astronomy Lecture 2: Lives of the Stars
Link
1:09:42
In this second lecture video of three in the Frontiers of Science unit on astronomy, Columbia University professor David Helfand explores the life history of a star, a biography encompassing millions of years, and how astrophysicists are able to trace stellar evolution. A lecture transcript and companion PowerPoint presentation are also available on FoSO.



Astronomy Lecture 3: Planets Everywhere
Link
53:29
In this third lecture video of three in the Frontiers of Science unit on astronomy, Columbia University professor David Helfand describes methods of detecting other solar systems and planets and their properties in the interest of answering the question: Is our solar system unique, or are there others like it in the Universe? A lecture transcript and companion PowerPoint presentation are also available on FoSO.

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