We had a chance to go see Dr. Neil deGrasse Tyson, director of the Hayden Planetarium at the American Museum of Natural History in New York City and TV host of NOVA scienceNOW on PBS, at the Palladium Theater in St. Petersburg, FL last week. Below is a video of Dr. Tyson answering a question about dark matter and the speed of light.
Sunday, March 30, 2008
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