This Star Is the Roundest Celestial Object Ever Measured

This Star Is the Roundest Celestial Object Ever Measured
Stars are not perfect spheres owing to centrifugal force. But there’s a star about 5,000 light-years from here that scientists now say is the roundest natural object ever measured in the universe.

http://ift.tt/2fZfkJL November 17, 2016 at 05:06PM
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