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 |
---|---|---|---|
2103 | 2017-06-22 14:23:44 | 49.07 | 99% |
1829 | 2017-02-02 04:48:53 | 51.71 | 95% |