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 |
|---|---|---|---|
| 1536 | 2017-02-20 10:25:18 | 70.08 | 89% |
| 718 | 2017-01-24 01:35:28 | 76.51 | 95% |