Which Amazing Observational Fact About Quasars and Their Behavior Is

question 25

Multiple Choice

Which amazing observational fact about quasars and their behavior is perhaps the MOST extraordinary?

• A) Quasars have incredible power as radio emitters, such that simple receivers can detect them from vast distances across the universe.
• B) Quasars have an energy output equivalent to more than 100 ordinary galaxies from a volume as small as our planetary system.
• C) The distance of quasars from the Sun is up to 18 billion ly.
• D) The recession velocities or quasars can be up to 9/10 of the speed of light.

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Definitions:

Cognitive Psychologist

A type of psychologist who studies how people perceive, think, understand, and remember information, often focusing on processes such as learning, memory, and problem-solving.

Humanist

Pertains to a philosophical stance that emphasizes the value and agency of human beings, individually and collectively, often prioritizing human welfare, values, and dignity.

Behaviourist

A psychologist or a scholar who subscribes to behaviorism, focusing on observable behaviors and eliminating any subjective, mental processes from study.

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Formal presentations and instructional sessions conducted by a teacher or professor, intended to impart knowledge on a specific subject to students.