Roundest Natural Object
Mark A. Garlick. / SPACE, Tiny Fox Lab

The star Kepler 11145123 is the roundest natural object ever measured in the universe. Stellar oscillations imply a difference in radius between the equator and the poles of only 3 km. This star is significantly more round than the Sun. – Tiny Fox Lab Facts

Preview photo credit: Mark A. Garlick. / SPACE
Source: https://www.space.com/34748-star-roundest-natural-object.html