The parts of telescope can differ in varying telescope designs, but they work by using mirrors or lenses as reflectors or refractors to magnify light. Learn the parts of a basic telescope from an observatory director in this free astronomy video. Expert: Rocky Alvey & Billy Teets Bio: Rocky Alvey is the assistant director of the Vanderbilt Dyer Observatory and has been involved in astronomy since 1969. Filmmaker: Dimitri LaBarge
Keywords: telescopes, science, nature, astronomy, star charts, sky charts
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