On the Hubble Tuning Fork Diagram Shown in Figure 13-33

question 245

Multiple Choice

On the Hubble tuning fork diagram shown in Figure 13-33 of Comins,Discovering the Essential Universe,6th ed.,the irregular galaxies are placed between the tines at the right end of the diagram.Why is this?

• A) These are the least massive galaxies, and on the diagram the masses increase from left to right.
• B) These are the youngest galaxies, and on the diagram the ages increase from right to left.
• C) These are the oldest galaxies, and on the diagram the ages increase from left to right.
• D) The placement is somewhat arbitrary.

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Definitions:

Eclecticism

An approach or methodology that combines theories, styles, or ideas from different sources or systems rather than adhering to a single system.

Cognitive Therapy

A type of psychotherapy that aims to change negative patterns of thought to improve mood and behavior.

Drug Therapy

The treatment of disease or symptoms with pharmaceutical drugs.

Neurotransmitter Activity

The biochemical process involving the synthesis, release, and breakdown of neurotransmitters, which play a crucial role in transmitting signals across nerve synapses.