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Which of the following systematically observed the planets and stars and recorded their positions with far greater accuracy than had ever been done?
Time Frame
A specific period during which an event occurs or an objective is supposed to be achieved.
Constraint
A limitation or restriction that may impede the progress or success of a project or organization.
Observational Data
Facts and figures obtained by watching how people actually behave, using mechanical, personal, or neuromarketing data collection methods.
Primary Data
Original and direct data collected by a researcher firsthand for a specific research purpose or project.
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