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 |
|---|---|---|---|
| 3463 | 2018-08-15 18:11:08 | 66.71 | 97% |
| 13 | 2017-04-26 21:29:07 | 69.03 | 98% |