-Refer to the H-R Diagram

question 35

Multiple Choice

-Refer to the H-R diagram.How would the H-R diagram of an older star cluster look different?

• A)The points would shift to the right, because all of the stars would have lower temperatures.
• B)The lower main sequence would look the same, but the turnoff would be at spectral type K or M.
• C)The points would shift down, because all of the stars would have lower luminosities.
• D)The lower main sequence would look the same, but the turnoff would be at spectral type F or A.

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Definitions:

Persistently Preoccupy

To occupy the mind continuously or for a prolonged period with a particular thought or problem, making it difficult to focus on other things.

Obsessive-Compulsive Disorder

A mental disorder where people feel the need to check things repeatedly, perform certain routines repetitively, or have certain thoughts persistently.

Intrusive

Unwanted or disturbing thoughts, impulses, or images that enter the mind, causing significant anxiety or discomfort, typically associated with conditions like OCD.

Repetitive Behaviors

Actions or tasks that are performed repeatedly in a manner that may not appear to have an obvious goal or function.