Telescopes Operating at This Wavelength Must Be Cooled to Observe

question 74

Multiple Choice

Telescopes operating at this wavelength must be cooled to observe faint astronomical objects.

• A)radio
• B)extreme infrared
• C)visible
• D)X-ray
• E)gamma-ray

---

Definitions:

Simplify

The process of making something less complex or easier to understand by reducing it to its basic components.

Scientific Method

A systematic and logical approach to discovering how things in the universe work, involving observation, hypothesis formulation, experimentation, and conclusion drawing.

Circular-flow Diagram

A model that illustrates how goods, services, and money move through an economy, depicting the interactions between households and businesses.

Participants

Individuals or entities that take part in a process or activity.