Ninety percent this answer is too short so I am just typing this
I have no idea, but I wouldn't use Wikipedia.. The "facts" on there aren't always true. That's why we aren't allowed to use it in my high school.
Answer:
tightly packed group of older stars
large grouping of more than two stars
loose, disorganized star cluster held together by gravity
Answer:
kinda
Explanation:
if it is a clear day (if I recall) around 40 percent hits the surface of the earth and the rest is stuck in the layers of the atmosphere
