Table of Contents
Chapter 3
Topics
Optical Telescopes
Reflectors and Refractors
Historical Telescopes
Yerkes 40” Refractor
Reflecting Telescope Designs
Palomar 200” Reflector
200” Hale Telescope, Mt. Palomar
Powers of a Telescope I: Light Gathering Power
Light Gathering Power Example: Human Eye vs. Hale Telescope
Light Gathering Power: Seeing Objects of Low Brightness
World’s Largest Reflecting Telescopes: Keck I and II
Powers of a Telescope II: Angular Resolution
Angular Resolution Example: Human Eye
Comparing Angular Resolutions
Angular Resolution Example: Hale Telescope
Atmospheric Blurring
Avoiding Atmospheric Blurring: Hubble Space Telescope
Removing Atmospheric Blurring: Adaptive Optics
Radio Astronomy
Radio Universe I
Radio Universe II
Problem with Angular Resolution
Arecibo Radio Observatory
Very Large Array (VLA) Radio Interferometer
Space Observatories
Infrared Astronomy
Ultraviolet Astronomy
X-ray Astronomy
Chandra X-ray Telescope Launched 1999
Gamma-Ray Astronomy
Multiwavelength View of the Milky Way: Radio
Multiwavelength View of the Milky Way: Infrared
Multiwavelength View of the Milky Way: Optical
Multiwavelength View of the Milky Way: X-ray
Multiwavelength View of the Milky Way: Gamma-ray
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