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 |
|---|---|---|---|
| 4358 | 2020-06-16 23:04:16 | 67.90 | 96% |
| 1651 | 2020-05-28 22:14:04 | 65.22 | 96% |