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Q2: Compare and contrast stars on the upper
Q8: That we do not get eclipses every
Q26: How did the Hipparcos mission revolutionize our
Q52: In general, the more massive the star,
Q53: What conditions are necessary for a total
Q54: Which of these binaries would appear most
Q61: Stars within an emission nebula, such as
Q74: What stage of star formation is the
Q104: Contrast open and globular star clusters.
Q153: In the light curve of a nova,