What Evidence Do We Have That Galaxies Have Extended Haloes

question 24

Multiple Choice

What evidence do we have that galaxies have extended haloes of dark matter?

• A)Orbital speed doesn't fall off in the outer parts of galaxies
• B)The outer parts of galaxies are intense infrared sources
• C)Light from background galaxies is blocked by the dark matter
• D)The orbits of distant globular clusters are distorted by the dark matter

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Inner Wrist

The medial aspect of the wrist, which includes the area where the wrist bones and the tendons of the forearm meet.

Adult

An individual who has reached maturity or the legal age of majority, often recognized as having attained full growth and development.

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A towel intended for a single use to ensure hygiene, commonly used in medical settings, kitchens, and bathrooms.