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Image of Andromeda Galaxy
Nov 05 2021

How Galaxies Grow: The Research of UI Professor Keri Hoadley

Posted on November 5, 2021November 5, 2021 by Laurie Neuerburg
This image from NASA Galaxy Evolution Explorer is an observation of the large galaxy in Andromeda, Messier 31. The Andromeda galaxy is the most massive in the local group of galaxies that includes our Milky Way. Credit: NASA/JPL/California Institute of Technology

University of Iowa Professor Keri Hoadley researches how galaxies are formed as part of a mission called Faint Intergalactic-medium Redshifted Emission Balloon, or FIREBall-2. Using a balloon telescope, her research involves measuring gas emissions from over 200 galaxies. In a second mission, Hoadley studies how galaxies evolve in a mission called Aspera. This mission uses a satellite to measure gas flow between galaxies.

By visiting NASA Visualization Explorer, you can watch a simulation of galaxy formation that would take 13.7 billion years in a 46 second video. In the open access ebook Hubble Focus: Galaxies through Space and Time, you can read about how galaxies form and evolve based on observations made with the Hubble Space Telescope. If you would like to listen to a cluster of galaxies translated into sound, you can watch Nasa’s 30 second video “Sonification of a Hubble Deep Space Image.”

If you are interested to learn more, you can check out materials about galaxy formation from the UI Libraries. You can browse what is listed here and find more by searching InfoHawk+. If you have questions or need help accessing our materials, you can reach out to one of our librarians at the Sciences Library.

  • Galaxy Formation by Malcolm S. Longair (ebook) (print book)
  • Galaxy Formation and Evolution by Houjun Mo, Frank van den Bosch, Simon White (print book)
  • Journey of the universe. Episode 2, Galaxies Forming (streaming video)
  • Journey to the Stars (DVD)
  • The Physics of Galaxy Formation by Claudia Del P. Lagos (ebook)
  • The Road to Galaxy Formation by William C. Keel (ebook)
Posted in Astronomy, PhysicsTagged astronomy, astrophysics, galaxies, galaxy formation

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