Which detail supports the idea that our Sun is not a part of a star cluster? A "It is so far away from other stars that it doesn't really interact with them.” (paragraph 1)
B
"They are so close that their gravity keeps them from drifting away from each other."
(paragraph 2)
C "If you can imagine the stars being connected to each other by invisible rods and moving
through space as a single object, then you've got the idea." (paragraph 2)
D "Globular and open clusters are different in many other ways, including how they form,
what their stars are made of, and where they appear in the universe." (paragraph 6)