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Telescope Light Gathering Power Compared to Human Eye (Greg Clements) View |
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Telescope Magnifcation and Light Gathering Power Comparison (Greg Clements) View |
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Telescopes Light Gathering Power, Resolution, Magnification (Greg Clements) View |
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Telescopes, Light Gathering Power, Resolution (Aaron Steinhauer) View |
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What Power Is Your Telescope : How Do Telescopes Work [Telescopes: Eyes On the Universe] (NASA Night Sky Network) View |
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Telescopes and Light (Kryptonite Physics) View |
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Astrophysics Human eye Vs CCDs and Quantum Efficiency (Paula Almeida) View |
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Light seconds, light years, light centuries: How to measure extreme distances - Yuan-Sen Ting (TED-Ed) View |
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6.2.2. Light and the Eye (Annabel Roberts) View |
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Powers of A Telescope (David Farina) View |