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Geography, 29.10.2020 14:00 shawn20034

6. Which of the following is/are used to classify a star based on its temperature and luminosity? A. Line spectra
B. Parallax measurements
C. Blackbody spectrum
D. Hertzsprung-Russell diagram

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6. Which of the following is/are used to classify a star based on its temperature and luminosity? A...
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