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 |
|---|---|---|---|
| 1020 | 2017-04-22 15:21:34 | 79.62 | 93% |
| 661 | 2017-04-02 08:36:11 | 89.11 | 98% |