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 |
|---|---|---|---|
| 6069 | 2019-01-30 22:37:27 | 89.05 | 96% |
| 4043 | 2017-11-29 17:17:46 | 84.83 | 97% |
| 2109 | 2017-03-06 19:51:29 | 85.37 | 94% |