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7 Cards in this Set

  • Front
  • Back
What are the three functions of a telescope?
-Gather light
-Increase magnification
-Magnifies
What are the three functions of a telescope?
-Gather light
-Increase the resolution
-Magnify images
What is an optical lense?
-the most common used
-use lenses or mirrors to gather and focus starlight
What is a refracting telescope?
-one of the basic designs
-has two lenses one that gathers starlight and bends the eyepiece lens and magnifies the image
-smaller lens is used to focus the sun ray's
What is a reflecting telescope?
-one of the basic designs
-uses on large curved mirror to gaher and focus starlight
-glass mirror is used to focus light
What is Adaptive Optics?
To correct the image made by the telescope to compensate for disortions caused by the atmosphere
What does a radio telescope do?
collects the radio waves and feeds them to a reciever that turns the rado waves and the directionof their source
-the focal point is in the middle of the objective mirror