Quick GCSE physics question - Big Bang Watch

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dinkymints
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2 mark question - How does the movement of galaxies support the Big Bang theory of the origin of the universe?

A nice succint answer would be great if anyone could help! Thanks in advance...
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innitman_uk
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galaxies further away are moving faster away from us suggests that the galaxies were all together at some time in the past
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dinkymints
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Sorry there are also a few pics above showing "the paths of some galaxies" which I don't really get... one is a spiral shape... so do they want something to do with rotation of the galaxies?
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innitman_uk
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(Original post by dinkymints)
Sorry there are also a few pics above showing "the paths of some galaxies" which I don't really get... one is a spiral shape... so do they want something to do with rotation of the galaxies?
i dont know - this is a bit complex for gcse (:eek:)
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john !!
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2 marks:

Galaxies are moving apart, the ones further away are moving faster than ones closer implying they all started at the same point.
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m:)ckel
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(Original post by dinkymints)
Sorry there are also a few pics above showing "the paths of some galaxies" which I don't really get... one is a spiral shape... so do they want something to do with rotation of the galaxies?
i think i've seen a question like this before, where they had 2 or 3 pictures, with lines coming out of the back of them.
if it's the same question, then you had to trace each of the lines back, and show that they all originated from one point.
sorry if your question is completely different, but when you said 'showing the paths of some galaxies,' that question came to mind
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dinkymints
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(Original post by mockel)
i think i've seen a question like this before, where they had 2 or 3 pictures, with lines coming out of the back of them.
if it's the same question, then you had to trace each of the lines back, and show that they all originated from one point.
sorry if your question is completely different, but when you said 'showing the paths of some galaxies,' that question came to mind
That's the one!! I *completely* didn't get what it was getting at.... d'oh!! The arrows into the centre of each galaxy and the fact that they are different shapes completely confused me.... doh doh doh!! I will never cope with this in the exam!!

Thanks!!
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