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 |
---|---|---|---|
1372 | 2020-02-20 19:14:09 | 82.25 | 96% |
253 | 2019-02-11 20:37:39 | 70.73 | 97% |