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Cosmic Origins: Birth, Life, and Death of the Universe

The University of Arizona presents a well-produced series of engaging lectures on popular cosmology: the origins of the universe, black holes, dark matter, the big bang, and the search for (and understanding of) life in the universe. It’s all free on iTunes U–a fantastic source for free audio and video courses online. >> Link: Cosmic Origins

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Scientists shed light on supernova origins – LA Times

Type Ia Supernovae are a not just pretty in photographs. They play an important function in astronomy as a standard candle — a celestial object with known luminosity. By measuring visible brightness, astronomers can calculate a supernova’s distance. In the LA Times today: Type 1a supernovae are key to measuring celestial distances. Astronomers find evidence

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