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  • Aired: 09/18/2012
  • 28:48
  • Rating: TV-G
The universe is made up of billions of galaxies. But what is a galaxy? On this episode of D4K, Dr. Amber Straughn, a Research Astrophysicist at NASA's Goddard Space Flight Center answers students’ questions about galaxies and space. Host Joan Cartan-Hansen also asks Straughn about the James Webb Space Telescope and what advances it offers for scientific research.
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The universe is made up of billions of galaxies. But what is a galaxy? Find out here.
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