Henrietta Leavitt First Showed the Relationship Between the Mass and Luminosity

question 24

True/False

Henrietta Leavitt first showed the relationship between the mass and luminosity of Cepheidsand their period of pulsation; the brighter, the longer this period.

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Second Child

The child born after the firstborn in a family; often subject to differing parental expectations or family dynamics.

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Contemporary forms of marriage characterized by equality, partnership, and often negotiated roles between spouses.

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