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David N. Spergel

Director: Center for Computational Astrophysics, FlatironCharles Young Professor Emeritus, Princeton UniversityCo-Chair: NASA WFIRST Form.

  • David N. Spergel discusses challenges of detecting extraterrestrial life.
  • Biosignatures like oxygen, ozone, and methane are key to finding life on exoplanets.
  • Advanced civilizations may be too technologically advanced for us to detect.

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