Telescopes and Binoculars

  1. What are the purposes of a telescope?
  2. What is meant by the term "magnification"?
  3. You have a pair of ten-by-fifty binoculars. What does this mean?
  4. How should one select astronomical binoculars?
  5. What determines the "magnification" of a telescope?
  6. What determines the "light gathering power" of a telescope?