Exam (elaborations)
DSST Astronomy Review Questions and Answers
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Astronomy the study of everything in the universe, from all the celestial bodies to space itself; greek for "law of the stars" (astron = star; nomos = law) Sun the star at the center of the Solar System, 27 million degrees at core, 99.8 % of mass in SS Nuclear Fusion Hydrogen atoms fuse together ...
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