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 |
|---|---|---|---|
| 283 | 2020-08-28 07:14:44 | 65.10 | 98% |
| 121 | 2020-07-18 04:55:01 | 52.38 | 95% |