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A star is on the horizontal branch of the H- R diagram. Which statement is true?
Q1: Sagittarius A* was first noted due to
Q18: Which of these would typically be the
Q26: Once crossed, not even light can return
Q49: In the scientific method, it is not
Q58: Not only does the central engine of
Q65: The visible color of the Galactic Bulge
Q75: Galactic disks appear blue because<br>A) dark matter
Q75: If we know the average separation and
Q124: Some gamma- ray bursters may be due
Q152: How can a white dwarf be hotter