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Meet Henrietta Leavitt, a 19th-century scientific pioneer. From careful observations, Leavitt discovered that the brightness of a star determines its distance from Earth, helping us better understand the vastness of the universe.
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Meet Henrietta Leavitt, a 19th-century scientific pioneer. From careful observations, Leavitt discovered that the brightness of a star determines its distance from Earth, helping us better understand the vastness of the universe.