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 |
---|---|---|---|
2500 | 2017-08-15 00:57:35 | 72.77 | 96% |
1880 | 2017-07-21 01:33:48 | 74.30 | 96% |