__________ Can Be Used to Determine the Galaxy's Mass If

question 99

Multiple Choice

__________ can be used to determine the galaxy's mass if the galaxy is reasonably close, so that the Doppler shift of the galaxy disk material can be measured at several distances from the galaxy's center relative to the center.

• A)The Hubble constant
• B)A galaxy's color
• C)A galaxy's rotation curve
• D)A galaxy's diameter
• E)The velocity dispersion method

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Definitions:

Cephalic veins

Superficial veins located in the lateral aspect of the arm, often used for intravenous access or blood drawing.

Povidone-iodine

An antiseptic used for skin disinfection before and after surgery and for the treatment of minor wounds.

Alcohol

A chemical substance found in drinks like beer, wine, and spirits, which can alter consciousness and often has intoxicating effects.

Venipuncture

The puncture of a vein with a needle, typically for the purpose of drawing blood or administering intravenous therapy.