Question
which of the statements below is true?
a) the stars in a galaxy are held together by gravity
b) Stars in a galaxy slowly rotate around a center
c) The Milky Way is the only galaxy in the universe
d)All of the above
just need to know if my answer is correct or wrong d
a) the stars in a galaxy are held together by gravity
b) Stars in a galaxy slowly rotate around a center
c) The Milky Way is the only galaxy in the universe
d)All of the above
just need to know if my answer is correct or wrong d
Answers
Since c) is wrong, d) can't be right.
http://en.wikipedia.org/wiki/Galaxy
http://en.wikipedia.org/wiki/Galaxy
a ms sue
Right.
thanks
b is also true, for most stars anyway.
If they did not rotate about the center, they would all collapse there.
Some have already; that's why there is a black hole at the center.
If they did not rotate about the center, they would all collapse there.
Some have already; that's why there is a black hole at the center.
Great job students!
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