A Whole Lot of Nothing (broadcast Friday, August 31st, 2007)

We'll take a look at an unusual part of space. Scientists studying several maps of space have found a space nearly a billion light-years across that contains nothing -- no stars, gas, or galaxies, and not even any of the mysterious dark matter that astronomers believe makes up much of the universe. We'll talk to two of the astronomers who performed the study about their work and what it might mean to find nothing. Teachers, find more information about using Science Friday as a classroom resource in the Kids' Connection.

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