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 |
---|---|---|---|
8279 | 2019-03-26 15:20:54 | 98.09 | 98% |
6417 | 2018-11-20 06:44:58 | 75.63 | 97% |