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 |
---|---|---|---|
8975 | 2020-11-24 22:06:32 | 108.80 | 96% |
2597 | 2019-01-31 01:52:28 | 76.87 | 94% |