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 |
|---|---|---|---|
| 5754 | 2017-10-14 01:42:27 | 56.41 | 98% |
| 4545 | 2017-02-23 18:04:16 | 63.38 | 96% |