Which Part of Our Milky Way Galaxy Has the Youngest

question 34

Multiple Choice

Which part of our Milky Way Galaxy has the youngest stars?

• A) bulge
• B) disk
• C) halo
• D) cannot measure relative ages of these structures

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Definitions:

Conditioned Response

A conditioned reaction acquired through training to a stimulus that usually doesn't elicit a response.

Unconditioned Stimulus

In traditional conditioning, a stimulus that inherently and effortlessly elicits a reaction without the need for prior learning.

Unconditioned Response

An instinctive, unlearned reaction to an external stimulus that takes place without beforehand learning or conditioning.

Classical Conditioning

A learning process wherein a neutral stimulus becomes associated with a meaningful stimulus, leading to a conditioned response.