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 |
---|---|---|---|
4140 | 2018-04-03 04:45:37 | 76.68 | 95% |
869 | 2017-10-14 22:45:13 | 76.19 | 97% |