All Galaxies Take a Billion Years to Rotate. Which Is Really Cool, and Totally Weird.0
- From Around the Web, Space
- April 10, 2018
Big or small, dense or empty, it’s one thing they all share.
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galaxy rotation
Cosmic Clocks: Galaxies Behave Like Clocks, Rotating Once Every Billion Years0
- From Around the Web, Space
- March 16, 2018
An international team of astronomers from Australia, China and the United States has discovered that all galaxies rotate once every billion years, no matter how big they are.
Shedding light on Galaxies’ rotation secrets0
- From Around the Web, Space
- July 15, 2017
Spiral galaxies are found to be strongly rotating, with an angular momentum higher by a factor of about 5 than ellipticals. In a new study, the researchers have traced back the dichotomy in the angular momentum of spiral and elliptical galaxies to their different formation history. In particular, the low angular momentum of ellipticals is mainly originated by nature in the central regions during the early galaxy formation process.
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