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 |
|---|---|---|---|
| 17561 | 2017-09-25 12:37:05 | 65.53 | 95% |
| 16911 | 2017-04-29 11:55:46 | 89.28 | 96% |