What Behaviour of Galactic Rotation Curves Suggests the Existence of Dark

question 37

Multiple Choice

What behaviour of galactic rotation curves suggests the existence of dark matter in an extended halo?

• A)Small velocities are seen at large distances from the galactic centre.
• B)Small velocities are seen at distances close to the galactic centre.
• C)Large velocities are seen at large distances from the galactic centre.
• D)Large velocities are seen at distances close to the galactic centre.

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Definitions:

Peri-

A prefix meaning around or surrounding, often used in medical terms to describe areas surrounding a structure or organ.

Audi/o

A prefix meaning related to hearing or sound.

Organ of Corti

A structure located in the cochlea of the inner ear, responsible for converting sound vibrations into nerve impulses.

Otorhinolaryngology

A surgical subspecialty within medicine that deals with conditions of the ear, nose, and throat (ENT) and related structures of the head and neck.