Spiral Structure Can Be Triggered in a Disk Galaxy by

question 42

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:

Trade

The trading of goods, services, or both among two or more entities, within the same nation or across different countries.

Ugandan Producers

Individuals or companies involved in the creation or manufacturing of goods and services in Uganda.

Ugandan Consumers

Individuals and households in Uganda that buy goods and services for personal use.

Coffee

A brewed drink prepared from roasted coffee beans, the seeds of berries from certain Coffea species.