Where Are the Cepheid and RR Lyrae Variable Stars Located

question 17

Multiple Choice

Where are the Cepheid and RR Lyrae variable stars located on the H-R diagram?

• A) just above and to the right of B type stars
• B) just above and to the right of O type stars
• C) in the variable strip
• D) in the instability strip
• E) outside the H-R diagram as missing items

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Definitions:

Atrium

A central room or space in a building, often open to the sky.

Arteriosclerosis

The thickening, hardening, and loss of elasticity of the walls of arteries, often leading to restricted blood flow which can result in cardiovascular issues.

Bruit

A sound, usually abnormal, heard in auscultation that indicates the presence of turbulent flow within a blood vessel.

Auscultation

The act of listening to sounds within the body, typically using a stethoscope, as a method of diagnosing diseases or conditions.