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 |
---|---|---|---|
2017 | 2020-02-20 06:50:07 | 46.23 | 98% |
386 | 2017-10-20 17:05:41 | 49.73 | 97% |
164 | 2017-07-27 11:02:00 | 46.18 | 97% |