Telescopes

Contents

• Introduction
• Types of telescopes Definition of telescope and the two types of telescopes.
  1. Refracting Telescopes. Advantages and disadvantages.
     • Advantages
     • Disadvantages
  2. Reflecting Telescopes.
     • Advantages
     • Disadvantages
  3. Review Questions
• Powers of a telecope
  1. Light Gathering Power
  2. Resolving Power
  3. Magnifying Power
  4. Review Questions
• Atmospheric distortion
  1. Seeing
  2. Reddening and Extinction
  3. Atmospheric lines
  4. Review Questions