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 |
|---|---|---|---|
| 885 | 2020-12-07 09:06:35 | 50.38 | 95% |
| 371 | 2020-11-24 07:09:23 | 50.06 | 96% |