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Two ways in which the starting conditions in a protogalactic cloud might cause it to become an elliptical (rather than spiral) galaxy are if the cloud begins with either
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Q29: Spiral galaxy rotation curves are generally fairly
Q33: When we use an analogy that represents
Q36: Why do spiral galaxy mergers often trigger
Q47: In order to predict whether a star
Q82: Briefly explain the paradox of the question
Q85: You discover a binary star system in
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Q109: After a massive-star supernova,what is left behind?<br>A)always
Q114: All the following statements are true.Which one