Diagram 15-1 -Refer to Diagram 15-1.A Type I Cepheid Has Been Located

question 33

Multiple Choice

Diagram 15-1
-Refer to Diagram 15-1.A type I Cepheid has been located in an open cluster.The period of the Cepheid variable is 30 days,and the variable's apparent visual magnitude is 10.What is the distance to this open cluster?

• A) 100 pc
• B) 10,000 pc
• C) 20 pc
• D) 300 pc
• E) 2500 pc

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Definitions:

Basal Ganglia

A group of structures located deep within the brain that help to regulate movement, coordination, and learning.

Cortical Thickness

A measure of the thickness of the cerebral cortex, the brain's outer layer, often associated with cognitive abilities.

Primary Motor Cortex

The zone in the cerebral cortex engaged in the design, regulation, and enactment of movements made voluntarily.

Default Network

Brain network of interacting regions of the frontal and parietal lobes that have highly correlated activity.