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 |
---|---|---|---|
4775 | 2020-06-02 15:21:58 | 60.02 | 96% |
3144 | 2020-03-25 12:26:03 | 53.88 | 94% |
1496 | 2019-12-24 15:52:53 | 59.14 | 97% |