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Scientists study stellar spectra to learn about their properties such as temperature, chemical composition and relative chemical abundances, radial velocity, rotational speed etc.

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What did astronomers study to learn about properties of stars?

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How do scientists learn about galaxies?

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What is a 7 letter word for the definition astronomers study these to learn about the properties or stars?

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What do austronamers study to learn about the properties of stars?

Astronomers study spectra to learn about the properties of starts. Spectra (plural of spectrum) is defined as an array of entities, as light waves or particles, ordered in accordance with the magnitudes of a common physical property, as wavelength or mass, and the band or series of colors, together with invisible extensions, produced by dispersion of radiant energy, as by a prism.


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Why scientists uses instrument to study stars?

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