Suppose Stars at 1000 Ly from the Center of a Galaxy

question 30

Multiple Choice

Suppose stars at 1000 ly from the center of a galaxy and those at 2000 ly from the center of the galaxy both revolve at the same speed.How would the mass within 2000 ly of the center of the galaxy compare to the mass within 1000 ly of the center of the galaxy?

• A)Twice as great
• B)Half as great
• C)The same
• D)1000 times as great

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Definitions:

Glycogen

A multibranched polysaccharide that serves as a form of energy storage in animals and fungi.

Glucose

A simple sugar that is an important energy source in living organisms and a component of many carbohydrates.

Blood Alcohol Concentration

The concentration of alcohol in a person’s bloodstream, expressed as a percentage, which can affect one's physical and mental faculties.

Tarry Feces

Refers to stool that is dark and sticky, often resembling tar, which can indicate gastrointestinal bleeding.