What Did Harlow Shapley Discover About Globular Clusters That Allowed

question 28

Multiple Choice

What did Harlow Shapley discover about globular clusters that allowed him to determine the size of the galaxy and the Sun's location within it?

• A)The clusters are confined to a thin plane
• B)The clusters are all located at the same distance from the Sun
• C)The center of the distribution of clusters is far from the Sun
• D)All of the clusters are located in a region a few parsecs across

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