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 |
---|---|---|---|
2773 | 2019-01-23 21:59:34 | 147.06 | 99% |
1373 | 2018-10-30 03:58:56 | 131.62 | 99% |