Infrared Space Telescopes Must Have Their Mirror Cooled to Very

question 83

Multiple Choice

Infrared space telescopes must have their mirror cooled to very low temperatures because otherwise it would thermally emit too much _______ itself.

• A)infrared radiation
• B)radio waves
• C)X-rays
• D)gamma rays
• E)all of the above

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Definitions:

Neutralize

To make something ineffective by applying an opposite force or effect, often used in chemical and electrical contexts.

Suspension

The system of springs, shock absorbers, and linkages that connects a vehicle to its wheels, designed to dampen road impact and improve ride quality.

Kingpins

The main pivot in the steering mechanism of a vehicle, around which the front wheels turn.

Hard-surfacing

A welding process that adds a hard, wear-resistant layer of metal to the surface of a workpiece.