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Astronomy-How Light is Absorbed and Affects Earth Based Telescopes (Jon Bergmann) View |
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Light: Crash Course Astronomy #24 (CrashCourse) View |
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Cosmic Microwave Background Explained (PBS Space Time) View |
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Why There Is Light on Earth But Not in Space (BRIGHT SIDE) View |
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Light waves, visible and invisible (TED-Ed) View |
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Stellar Spectroscopy - what can we learn about stars (PhysicsHigh) View |
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Neil deGrasse Tyson: What is Dark Matter What is Dark Energy (Science Time) View |
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Hubble's Law, the Doppler Effect, and an Expanding Universe (London Jenks) View |
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The Sun: Crash Course Astronomy #10 (CrashCourse) View |
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Telescopes in Astronomy (Launch Pad Astronomy) View |