Guest
Race Result Details |
| Racer | John (jgrasso4) |
| Race Number | 5234 |
| Date | Sun, 25 Mar 2018 21:41:50 |
| Speed |
70 WPM
 Try to beat?
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| Accuracy | 95.2% |
| Rank | 2nd place (out of 4) |
Text typed:
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A refracting telescope uses a lens instead of a mirror to focus the incoming light, relying on refraction rather than reflection to achieve its purpose. Refraction is the bending of a beam of light as it passes from one transparent medium (for example, air) into another (such as glass).
—
Astronomy: A Beginner's Guide to the Universe (7th Edition)
 (book)
by Eric Chaisson, Steve McMillan
(see stats)
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