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 |
---|---|---|---|
6118 | 2019-07-15 01:31:37 | 103.83 | 98% |
5499 | 2019-06-27 04:07:44 | 119.39 | 99% |