Far-Infrared Telescopes Have to Be Cooled,but Visible-Light Telescopes Do Not

question 7

Multiple Choice

Far-infrared telescopes have to be cooled,but visible-light telescopes do not.Why not?

• A)Far-infrared radiation is absorbed by the Earth's atmosphere.
• B)Visible-light telescopes detect light from cool objects.
• C)Far-infrared telescopes can only work in space.
• D)Telescopes are not hot enough to emit visible light.

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Definitions:

Scientific Inquiry

The process of systematically investigating the natural world through observation, experimentation, and data analysis to answer questions and test hypotheses.

Skepticism

An attitude of doubt or a disposition to incredulity either in general or toward a particular object.

Curiosity

A strong desire to learn or know about something, driving exploration and discovery.

Humility

The quality of having a modest or low view of one's importance, often allowing one to be open to learning and perspectives of others.