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Bart Wakker

Bart Wakker

Expert on astronomy in space and radio astronomy for understanding interstellar and intergalactic gas inside and outside galaxies.

Senior scientist, astronomy College of Letters and Science Work: 608-263-6386 — Home and cell phones available upon request


  • Galaxies are still growing by accreting new gas. I study the observational evidence for this acrretion.
  • Galaxies have large gaseous halos that are embedded in the Cosmic Web. I study the connections between the two.


  • PI on ~10 Hubble Space Telescope Programs