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Race Result Details |
Racer | Trieu (dangtrieu0403) |
Race Number | 1 |
Date | Tue, 24 Jan 2017 19:57:55 +0000 |
Speed | 60 WPM Try to beat? |
Accuracy | 87.0% |
Rank | 2nd place (out of 5) |
Text typed:
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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