The Baseline 6: Rotating Disks In The Early Universe

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The Baseline 6: Rotating 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. Join our host Melissa Hoffman of the National Radio Astronomy Observatory as she talks about how this young galaxy was discovered, and what it tells us about our own Milky Way.

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ALMA Galaxies

The Baseline

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False color image of protoplanetary disks side by side. Left is a ring disk showing blue scattered outer ring, green inner rings with gaps, and a yellow core. Center is a transition disk with a thin outer blue ring and thin green and yellow rings, and a large empty cavity in the center. Right is a compact small disk with thin blue and green rings, and a large inner yellow core with no gaps.

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