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 |
---|---|---|---|
3293 | 2020-11-14 05:13:46 | 77.85 | 96% |
2386 | 2020-10-06 05:10:31 | 78.53 | 96% |