Mapping the Universe: Quasars, Galaxies, Dark Matter Two projects to map the large-scale universe are underway. We'll take a look at what scientists are learning about quasars, galaxies and elusive dark matter.
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Mapping the Universe: Quasars, Galaxies, Dark Matter

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Mapping the Universe: Quasars, Galaxies, Dark Matter

Mapping the Universe: Quasars, Galaxies, Dark Matter

Mapping the Universe: Quasars, Galaxies, Dark Matter

  • Download
  • <iframe src="https://www.npr.org/player/embed/4766644/4766645" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Two projects to map the large-scale universe are underway. We'll take a look at what scientists are learing about quasars, galaxies and elusive dark matter.

Michael Strauss, project spokesman, Sloan Digital Sky Survey; professor of astronomy Princeton University

David Weinberg, professor of astronomy, Ohio State University