Table of Contents
Light and Telescopes
The Speed of Light
Photons: Particles of Light
The Wave Nature of Light
The Wave Nature of Light
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A Explanation of Light Waves
Elementary Charges Particles
Electromagnetic Radiation
Electromagnetic Radiation
Light Waves
Properties of Light Waves
Properties of Light Waves
The Visible Spectrum of Light
The Visible Spectrum of Light
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The Electromagnetic Spectrum
The Electromagnetic Spectrum
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Long Wavelength Radiation
Short Wavelength Radiation
Atmospheric Transparency and Opacity
What Causes Opacity?
Limitations of the Human Eye
Optical Telescopes
Refracting Telescope
How A Lens Works
Observing Light Gathered by a Telescope
Light Passing Through a Refracting Telescope
Reflecting Telescopes
Reflecting Telescopes
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Different Types of Reflecting Telescopes
Different Types of Reflecting Telescopes
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The Light Path in a Cassegrain Reflector
Advantages of Reflectors Over Refractors
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The Light Gathering Ability of Telescopes
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Telescope Sizes
Resolving Power
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Determining a Telescope’s Resolving Power
Atmospheric Seeing
What Contributes to Seeing?
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High Resolution Astronomy
Improved Resolution Using Adaptive Optics
Telescopes in Space
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From the Ground and From Space
Detecting and Storing Light
Detectors Which Capture and Store Light
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Advantages of CCD’s
Photography vs. CCD’s
Radio Astronomy
Radio Telescopes
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Advantages of Radio Telescopes
Interferometry
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Infrared Astronomy
Infrared Astronomy
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Ultraviolet Astronomy
High Energy Astronomy
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