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Answers to Your Questions About Outer Space

Featured Experts

Dr. Harry Ferguson, Astronomer
Dr. Harry Ferguson and a team of astronomers from the Space Telescope Science Institiute (STSI) answered viewer questions about the big bang, galaxies, and more!

Mario Livio, Astrophysicist
Mario Livio, an astrophysicist from the STSI, answered viewer questions about black holes and supernovae.

During the broadcast of "Mysteries of Deep Space," we invited two experts to field questions from viewers and Web surfers. You can read selected visitor questions and the experts' responses by clicking on the expert's name in the left column.

For questions regarding the rebroadcast of the program, please contact your local PBS station.


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