What Mechanism Appears to Produce the Double-Radio Sources Seen in Intergalactic

question 51

Multiple Choice

What mechanism appears to produce the double-radio sources seen in intergalactic space?

• A) two oppositely directed jets of matter, ejected from a small source
• B) two radio galaxies orbiting each other much like two binary stars
• C) a radio-bright galaxy with a dark absorbing disk edge-on to Earth, splitting the source into two as seen from Earth
• D) two black holes orbiting around a small but massive galactic nucleus

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Definitions:

Violation

The act of breaking a law, agreement, or rule, resulting in a failure to comply with legal or contractual obligations.

Per Se Analysis

Per se analysis is a legal doctrine under antitrust laws where certain activities or agreements are considered illegal without the need for further inquiry into their actual harm or purpose, due to their inherently anti-competitive nature.

Rule Of Reason

A legal doctrine used to interpret antitrust laws, focusing on the reasonableness of business practices and their effects on competition.

Price-Fixing

An agreement among competitors to raise, fix, or otherwise maintain the price at which their goods or services are sold, which is illegal under antitrust law.