What Kind of Variable Stars Are Pre-Main Sequence Stars Undergoing

question 30

Multiple Choice

What kind of variable stars are pre-Main Sequence stars undergoing gravitational contractionand exhibiting erratic changes in their luminosities?

• A)R Coronae Borealis
• B)RR Lyrae
• C)Cepheid
• D)T Tauri
• E)Herbig-Haro

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Definitions:

Phenothiazines

Drugs that reduce the functional level of dopamine in the brain and tend to reduce the symptoms of schizophrenia.

Disruptive Behaviors

Actions that interfere with the orderly and effective operation of social norms, rules, or mechanisms.

Atypical Antipsychotics

A class of medication used to treat psychiatric conditions, differing from traditional antipsychotics by having lower risk of certain side effects.

Hyperactivity-Impulsivity

A condition marked by excessive movement and actions taken without forethought, which can impede functioning in different settings.