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Race Result Details |
| Racer | Isaac (im595126) |
| Race Number | 1321 |
| Date | Wed, 18 Apr 2018 18:51:20 +0000 |
| Speed |
69 WPM
 Try to beat?
|
| Accuracy | 95.0% |
| Rank | 3rd place (out of 5) |
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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