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 |
---|---|---|---|
4468 | 2019-02-06 02:35:16 | 92.32 | 96% |
2524 | 2018-09-14 23:31:05 | 97.34 | 97% |
1397 | 2018-08-28 04:48:05 | 87.46 | 96% |