The Figure Below Shows the Rotation Curves of Several Spiral

question 51

Multiple Choice

The figure below shows the rotation curves of several spiral galaxies,extending to the very edge of their visible disks.What do these curves tell us about the distribution of dark matter in these galaxies?

• A) Most of the dark matter is in clumps.
• B) Most of the dark matter is in the bulge.
• C) Most of the dark matter is near stars.
• D) Most of the dark matter is in the galaxies' outskirts.

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A venture that has been recently established, entering its initial operational stage in the marketplace.

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