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 |
---|---|---|---|
10028 | 2020-04-10 22:30:52 | 101.45 | 98% |
3297 | 2017-11-26 04:07:38 | 94.08 | 99% |