Which of the Clusters in This Figure Are Open Clusters

question 86

Multiple Choice

Which of the clusters in this figure are open clusters?

• A) Westerlund 2 and M53
• B) NGC 290 and M9
• C) NGC 290 and Westerlund 2
• D) M9 and Westerlund 2
• E) M53 and NGC 290

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Equipment used in various industries for blending or combining ingredients or materials into a homogeneous or specific mixture.

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