Spiral Structure Can Be Triggered in a Disk Galaxy By

question 56

Multiple Choice

Spiral structure can be triggered in a disk galaxy by:

• A) a close encounter with a passing galaxy
• B) an orbiting dwarf galaxy
• C) an off-center burst of star formation in the disk
• D) all of the above

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Definitions:

Secret Ballot Elections

A voting method that ensures privacy for voters, allowing them to cast their vote anonymously to prevent influence or coercion.

Bargain

A negotiation process between two or more parties to reach a mutually agreeable outcome.

Wagner Act

A foundational piece of U.S. labor law, officially the National Labor Relations Act of 1935, which established workers' rights to collectively bargain and form unions.

Union Demands

Requests or conditions put forward by labor unions during negotiations with employers, typically regarding wages, benefits, working conditions, and job security.