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 |
---|---|---|---|
13548 | 2019-01-02 04:44:29 | 95.80 | 99% |
853 | 2018-01-02 23:32:10 | 99.54 | 99% |