Where Are the Cepheid and RR Lyrae Variable Stars Located

question 33

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:

Sugar

A sweet-tasting, soluble substance obtained from plants like sugar cane and sugar beet, used primarily as a sweetener in food and beverages.

Combining Form

In linguistics, especially in the formation of compound words, a morpheme that is used in combination with another form to create a new word or term.

Poison

Substances that cause harm, illness, or death when ingested, inhaled, or absorbed into the body in sufficient quantities.

Toxin

A harmful substance produced within living cells or organisms; can cause disease when introduced into the body tissues.