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 |
---|---|---|---|
163 | 2020-09-12 00:09:58 | 107.24 | 97% |
83 | 2020-08-24 21:18:59 | 99.97 | 97% |