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 |
|---|---|---|---|
| 1675 | 2017-07-03 17:08:45 | 57.20 | 99% |
| 1568 | 2017-05-26 11:43:45 | 60.57 | 98% |