Who First Noticed That for Cepheid Variable Stars There Was

question 6

Multiple Choice

Who first noticed that for Cepheid variable stars there was a direct relationship between the luminosity and the period of the variation in their brightness?

• A)Annie Cannon
• B)Edwin Hubble
• C)Harlow Shapley
• D)Henrietta Leavitt

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Definitions:

Elimination Disorders

Disorders characterized by a recurrent failure to control urination or defecation, which are not due to a general medical condition.

Dissociative Disorders

A category of mental health disorders characterized by a disconnection and lack of continuity between thoughts, memories, surroundings, actions, and identity.

Almost Meets

A performance category indicating that an individual or entity is approaching the expected standards or criteria, but has not fully achieved them yet.

Criteria

Standards or principles on which judgments or decisions are based.