What Characteristic of the 10-M Keck Telescope Makes It Fundamentally

question 333

Multiple Choice

What characteristic of the 10-m Keck telescope makes it fundamentally different from older telescopes,such as the one on Mt.Palomar?

• A) It is located in Earth orbit, away from all the distortions of Earth's atmosphere.
• B) It is actually four closely spaced telescopes that can be operated together, as if they were a single telescope.
• C) Its primary mirror is a large, very thin piece of glass that can be deformed rapidly to compensate for seeing.
• D) Its primary mirror is made up of 36 separate mirror segments.

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Definitions:

Epithelial Cells

Cells that line the outer surfaces of organs and blood vessels, as well as the inner surfaces of cavities in many internal organs.

Contraction

The process of muscle cells shortening and generating force, often resulting in the movement of parts of the body.

Skeletal Muscle

A type of striated muscle tissue attached to bones, primarily responsible for initiating and controlling voluntary movement.

Bone

The hard, dense connective tissue forming the structure of the skeleton of most vertebrates, providing support and protection.