Guest
Race Result Details |
| Racer | jack (runtothehill) |
| Race Number | 8 |
| Date | Thu, 8 Jun 2017 5:13:15 |
| Speed |
60 WPM
 Try to beat?
|
| Accuracy | 96.9% |
| Rank | 2nd place (out of 4) |
Text typed:
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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.
—
Astronomy: A Beginner's Guide to the Universe (7th Edition)
 (book)
by Eric Chaisson, Steve McMillan
(see stats)
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