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What is the origin of the absorption lines in the Sun's spectrum?
Equation
A mathematical proposition that claims equality between two expressions, generally involving variables.
Matching
Matching is a process of pairing or associating items that are similar or correspond to each other, often used in educational settings or algorithms.
Equation
A statement that asserts the equality of two expressions, often containing one or more variables.
Graph
A visual representation of data, functions, or systems of equations on a coordinate plane.
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