Which of the following units of measure would be most appropriate for expressing the distance between galaxies?

astronomical unit (a.u.)
parsec
megaparsec

Question

Which of the following units of measure would be most appropriate for expressing the distance between galaxies?
 	
	astronomical unit (a.u.)
	parsec
	megaparsec

camerondoherty · Answer

I beleive the answer is B Source: https://answers.yahoo.com/question/index?qid=20101221115141AAzcWdI

anonymous · Answer

With advances in telescope technology, we can see that galaxies are moving _______ over time.
 	
	closer to each other
	farther away from each other
	in random directions

anonymous · Answer

last question

anonymous_user · Answer

That person is saying that it is astronomical unit on that link.

anonymous · Answer

@camerondoherty

anonymous_user · Answer

Farther away from each other