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 |
|---|---|---|---|
| 13487 | 2017-03-20 13:08:34 | 70.15 | 91% |
| 13266 | 2017-03-18 06:49:45 | 68.10 | 90% |
| 11924 | 2017-01-19 08:25:51 | 73.11 | 90% |