Rotating galaxy disks in the early universe


Our Milky Way galaxy is a spiral galaxy. It evolved into its flat disk shape over billions of years. But astronomers have discovered a distant and young galaxy that has a remarkably similar shape.

Host Melissa Hoffman of the National Radio Astronomy Observatory talks about how this young galaxy was discovered, and what it tells us about our own Milky Way.


Credit: National Radio Astronomy Observatory (NRAO)

Image: Hubble views galaxy host to two supernovae

Video: Rotating galaxy disks in the early universe (2021, February 11)
retrieved 11 February 2021

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