What did Nancy Roman help classify?
Stars
Planets
Galaxies
Comets
Answer
Stars. Nancy Roman, an American astronomer, played a crucial role in classifying stars. She developed a system for organizing stars based on their temperature, luminosity, and spectral characteristics. This system, known as the Yerkes Spectral Classification System, is still widely used today to classify stars and understand their properties. Roman's work helped establish the foundation for modern stellar astronomy and contributed to our understanding of the universe.
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