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 |
|---|---|---|---|
| 2739 | 2019-07-30 15:45:08 | 81.25 | 98% |
| 176 | 2019-04-22 19:46:10 | 76.64 | 99% |