The Tully-Fisher Relation Can Be Used to Determine the Distance

question 143

Multiple Choice

The Tully-Fisher relation can be used to determine the distance to

• A) spiral galaxies only.
• B) elliptical galaxies only.
• C) irregular galaxies only.
• D) either spirals or ellipticals.

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Definitions:

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Airway Clearance

Techniques and therapies to help remove mucus and secretions from the lungs to improve breathing and prevent infection.

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