When did the formation of the stars begin?
A. 2 to 3 billion years ago
B. 5 to 6 billion years ago
C. 7 to 8 billion years ago
D. 9 to 10 billion years ago
Answer:B
When did the formation of the stars begin?
A. 2 to 3 billion years ago B. 5 to 6 billion years ago C. 7 to 8 billion years ago D. 9 to 10 billion years ago