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 |
---|---|---|---|
4585 | 2019-02-24 08:10:51 | 60.39 | 95% |
1861 | 2018-11-08 08:55:52 | 56.42 | 96% |
1270 | 2018-10-28 01:28:13 | 52.10 | 96% |