No one has ever witnessed the complete evolution of any star from birth to death. Stars take a very long time - millions, billions, even trillions of years - to evolve. Yet in less than a century, astronomers have developed a comprehensive theory of stellar evolution that is one of the best-tested in all of astronomy.
Game | Time | WPM | Accuracy |
---|---|---|---|
7043 | 2020-05-14 02:40:33 | 126.66 | 98% |
5538 | 2017-10-16 09:40:08 | 126.35 | 98% |