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 |
---|---|---|---|
1437 | 2018-01-24 11:06:17 | 55.52 | 96% |
639 | 2017-05-26 06:18:14 | 51.28 | 90% |
285 | 2017-05-24 04:12:24 | 46.65 | 83% |