The oldest globular clusters are a. 3 to 4 billion years old. b. 6 to 7 billion years old. c. 9 to 10 billion years old. d. 12 to 13 billion years old. e. 16 to 17 billion years old.
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The oldest globular clusters are
a. 3 to 4 billion years old.b. 6 to 7 billion years old.c. 9 to 10 billion years old.d. 12 to 13 billion years old.e. 16 to 17 billion years old.
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