Which of the following techniques is the key factor in a telescope that uses adaptive optics to correct for atmospheric distortion of images,or "seeing"?
A) Computer-controlled motors rapidly adjust the orientation and position of the separate primary mirrors in a multiple-mirror telescope (MMT).
B) A corrector lens compensates for image distortion by electronic control of its shape.
C) Computer-controlled motors adjust the position and shape of one of the small mirrors within the optics many times per second.
D) The light rays are focused electronically, without the use of lenses or mirrors.

Question

Quizplus · Accepted Answer

Adaptive optics corrects for atmospheric distortion by adjusting the shape and position of a small mirror within the telescope optics many times per second. Computer-controlled motors are used to make these adjustments. The other options do not describe adaptive optics.

Which of the Following Techniques Is the Key Factor in a Telescope