Of all the amazing things about the Universe, I think two stand above all the rest. One of them is that we know so much about the universe, but another is that there's even more that we don't know.
About Neil deGrasse Tyson
Dr. Neil deGrasse Tyson is the Frederick P. Rose Director of the Hayden Planetarium at the American Museum of Natural History in New York. He is also a research associate in the Department of Astrophysics at the museum. Professor Tyson earned his undergraduate degree in Physics from Harvard University and his Ph.D. in Astrophysics from Columbia University. Dr. Tyson has written prolifically for the public, including a series of essays in Natural History magazine on which his previous Great Course, My Favorite Universe, is based. His books include Space Chronicles: Facing the Ultimate Frontier; a memoir, The Sky is Not the Limit: Adventures of an Urban Astrophysicist; and One Universe: At Home in the Cosmos (coauthored with Charles Liu and Robert Irion), winner of the 2001 American Institute of Physics Science Writing Award to a Scientist. Dr. Tyson is host of The Cosmos, a science documentary series televised on the Fox network, and former host of the PBS television series NOVA scienceNOW. His contributions to the public appreciation of the cosmos have been recognized by the International Astronomical Union in their official naming of asteroid 13123 Tyson."