You Observe Three Different Star Clusters and Find That the Main-Sequence

question 11

Multiple Choice

You observe three different star clusters and find that the main-sequence turnoff stars in Cluster 1 have spectral type F, the main-sequence turnoff stars in Cluster 2 have spectral type A, and the main-sequence turnoff stars in Cluster 3 have spectral type G.Which star cluster is the youngest and which one is the oldest?

• A) Cluster 1 is the youngest and Cluster 2 is the oldest.
• B) Cluster 2 is the youngest and Cluster 1 is the oldest.
• C) Cluster 2 is the youngest and Cluster 3 is the oldest.
• D) Cluster 3 is the youngest and Cluster 1 is the oldest.
• E) Cluster 3 is the youngest and Cluster 2 is the oldest.

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Definitions:

Arcuate Fasciculus

A bundle of nerve fibers that connects the Wernicke's area and Broca's area in the brain, facilitating speech and language comprehension.

Broca's Area

A region in the frontal lobe of the brain associated with speech production and language processing.

Wernicke's Area

A region of the brain important for language comprehension, located in the temporal lobe.

Creolization

Creolization refers to the process by which elements from different cultures merge and create new cultural practices, languages, and identities.