The Observed Characteristics of a Quasar Are

question 198

Multiple Choice

The observed characteristics of a quasar are:

• A) a diffuse circular image, no redshift of the spectrum, and often a very bright radio source.
• B) a starlike image, with a highly variable Doppler spectrum that shifts from red to blue, and often a very bright radio source.
• C) a starlike image, a highly redshifted spectrum, and often an intense radio emitter.
• D) a starlike image, an extremely blueshifted spectrum, and often an intense radio emitter.

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Definitions:

Principle

A fundamental truth or proposition that serves as the foundation for a system of belief, behavior, or reasoning.

Pictorial Depth Cues

Visual indicators that can create the illusion of depth in two-dimensional representations, aiding in the perception of three-dimensionality.

Two-dimensional

Pertaining to or involving two dimensions (usually length and width), often used to describe flat shapes or surfaces.

Experiences

Events or occurrences that leave an impression on someone, contributing to their knowledge, perceptions, and overall understanding of the world.