The Image Quality of Most Optical Telescopes Is Limited by Differential

question 58

True/False

The image quality of most optical telescopes is limited by differential atmospheric refraction experienced by light as it passes through the Earth's atmosphere.

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Definitions:

Upper Coupler Plate

A component at the front of a semi-trailer that rests on the fifth wheel of a tractor, helping to distribute the trailer's load.

Tie-rod Ends

Components of the steering mechanism in a vehicle that serve as pivot points between the tires and the steering system, facilitating direction change.

Clamps

Fastening devices used to hold or secure objects tightly together to prevent movement or separation through the application of inward pressure.

Crosstube

Transfers steering motion from the steering gear side of the chassis to the opposite side by means of an adjustable rod, forcing the steering knuckles to act in unison. Also called a tie-rod.