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Chapter 2
2A-3
Question | Answer |
---|---|
Who developed the reflector telescope? | Newton |
What does the reflector telescope use to accomplish the three functions of a telescope? | A concave mirror, good mirror improves with resolution, eyepiece |
What type of reflector telescope is viewed from the same position as the refractor? | Cassegrainian |
How is the size of a reflecting telescope rated? | The size of a reflector telescope is rated by the diameter of its concave mirror. |
List the three advances in mirror design that made the giant telescopes of the 1990s possible. | Honeycomb mirror, meniscus mirror, segmented mirror |
A telescope that uses both lenses and mirrors to gather light is called by what name? | Composite |