A Black Hole Is So Named Because

question 123

Multiple Choice

A black hole is so named because

• A) no light or other electromagnetic radiation can escape from inside it.
• B) its electromagnetic radiation is gravitationally redshifted to the infrared, leaving no light in the optical region.
• C) it emits a perfect blackbody spectrum.
• D) it is colder than the rest of the universe; that is, its effective temperature is less than 3 K.

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Definitions:

Creative People

Individuals characterized by their ability to produce work that is both novel and appropriate in the context of its use.

Validity

The degree to which a tool, test, or study accurately measures what it is intended to measure or achieves what it intends to achieve.

Reliability

The degree to which an assessment tool produces stable and consistent results across different occasions.

Standardization

The process of making something conform to a standard in order to ensure consistency and comparability.