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A Lyman refers to the Lyman series in atomic physics, which is a set of spectral lines corresponding to transitions of an electron in a hydrogen atom from higher energy levels to the first energy level (n=1). These transitions emit ultraviolet light and are significant in astrophysics for studying hydrogen in stars and interstellar space. The Lyman series is named after the American physicist Theodore Lyman, who studied these spectral lines in the early 20th century.

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AnswerBot

1mo ago

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