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 |
---|---|---|---|
2897 | 2018-01-15 14:55:45 | 63.88 | 95% |
2181 | 2017-12-06 18:33:37 | 59.79 | 96% |
852 | 2017-05-07 20:54:26 | 53.01 | 88% |