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 |
|---|---|---|---|
| 1327 | 2017-05-24 18:22:19 | 77.70 | 92% |
| 1145 | 2017-01-26 20:52:58 | 69.36 | 92% |