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 |
---|---|---|---|
4474 | 2020-05-19 18:02:27 | 151.68 | 99% |
294 | 2017-07-31 15:42:59 | 159.92 | 98% |