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Neil deGrasse Tyson
Astrophysicist and Director,
Hayden Planetarium, New York City
From the smallest sub-atomic particles to the diameter of the observable
universe, the scientific measure of objects now span more than forty
powers of ten. In this illustrated talk, Dr. Neil deGrasse Tyson
will take the audience on a tour though this staggering range of
sizes while he highlights the specific domains in which the various
laws of physics dominate the behavior of the cosmos.
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Site last modified Thu Aug 18 13:52:59 BST 2005
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