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 |
|---|---|---|---|
| 9244 | 2017-07-21 07:01:47 | 57.71 | 96% |
| 8208 | 2017-06-14 16:42:23 | 57.81 | 96% |