Which Parameters of Star Motion in the Milky Way Are

question 22

Multiple Choice

Which parameters of star motion in the Milky Way are represented by its rotation curve?

• A) orbital speed as a function of star distance from the galactic center
• B) orbital period of the stars as a function of their distance from the galactic center
• C) orbital speed of the stars as a function of their individual masses
• D) star position above or below the galactic plane as a function of distance from the galactic center

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