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 |
---|---|---|---|
7423 | 2018-01-07 08:21:25 | 64.22 | 98% |
4685 | 2017-09-26 12:02:41 | 58.27 | 95% |
3283 | 2017-08-07 10:45:37 | 51.32 | 94% |