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 |
---|---|---|---|
969 | 2020-09-12 13:19:27 | 52.79 | 95% |
503 | 2020-08-17 14:37:01 | 50.26 | 94% |