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 |
---|---|---|---|
5566 | 2018-06-22 19:09:54 | 95.65 | 97% |
2999 | 2018-03-04 03:20:16 | 107.78 | 98% |