What Is the Motion of Stars in the Bulge Across

question 6

Multiple Choice

What is the motion of stars in the bulge across the inner part of the Milky Way Galaxy?

• A) The stars move in roughly circular orbits.
• B) The stars oscillate back and forth across the bulge, retracing the same path again and again.
• C) The stars are part of a density wave that moves around the galactic center.
• D) The stars basically remain stationary within the bulge.

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