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The first astronomer to conclude that there is a relationship between period and luminosity of variable stars was _________.
Legal Guardians
Individuals or entities appointed by a court to care for and manage the personal and/or property interests of a minor or legally incapacitated person.
Legal Control
The authority to direct the legal actions of an entity, person, or property, as recognized by law.
Incapacity
A legal status referring to an individual's inability to enter into binding contracts or perform legal acts due to mental disability, age, or other reasons.
Mental Or Physical Defect
A condition that impairs an individual's mental or physical capacity, potentially affecting their ability to perform certain tasks or engage in certain activities.
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