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 |
---|---|---|---|
5567 | 2020-10-01 08:47:04 | 83.25 | 97% |
5247 | 2020-09-07 16:38:45 | 94.22 | 97% |