Question

Galaxies and The Universe Quick Check
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Question
There are stars located in the center bulge of the Milky Way and the spiral arms of the Milky Way. What is the difference between the stars at the center bulge and the stars in the arms?(1 point)
Responses

The stars at the center bulge are typically smaller than the stars in the arms.
The stars at the center bulge are typically smaller than the stars in the arms.

The stars at the center bulge are typically older than the stars in the arms.
The stars at the center bulge are typically older than the stars in the arms.

The stars at the center bulge are typically brighter than the stars in the arms.
The stars at the center bulge are typically brighter than the stars in the arms.

The stars at the center bulge are typically colder than the stars in the arms.
The stars at the center bulge are typically colder than the stars in the arms.
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Answer 1

The correct response is:

**The stars at the center bulge are typically older than the stars in the arms.**

In general, the stars in the central bulge of the Milky Way tend to be older and redder, whereas the stars in the spiral arms are often younger, hotter, and more luminous, with ongoing star formation occurring in those regions.