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davepamn davepamn
 
M$1 June 01, 2009 02:38 PM

Explain why dark matter and dark energy could not have been part of the early universe?

Explain how Dark Matter and Dark Energy accounts of Galaxy's clustering and gravity fails. Explain why gravity alone works in the early universe but not in the current universe.
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Interesting: girlieq3000, tracebooks

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tracebooks tracebooks
 
 June 01, 2009 09:16 PM
I have been trying to figure this one out for hours now. Most of what I'm seeing on the Internet is the opposite: how dark matter may have been necessary for the early universe in terms of ionizing matter so that it could clump. The theory is that at one point, before matter had clumped so that there were stars emitting radiation, dark matter did clump and had its own Big Bang. The supposed gamma radiation that was possibly emitted may have caused actual matter to clump.

I'm just not seeing an answer to your question, sorry. I would love to learn more.
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http://www.universetoday.com/2009/04/26/did-dark-matter-annihilate-our-earl... (one among many, but this was the clearest)

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davepamn davepamn
 
June 01, 2009 10:14 PM
I guessing that the scientist think that the early universe velocity was such that that gravity ruled supreme.

Today, they know there is not enough matter in the universe to explain the acceleration. The acceleration is caused from the dark energy, 73% of the universe.

This is my guess at their reasoning.

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davepamn davepamn
 
June 01, 2009 10:15 PM
Dark Energy explains an accelerating universe but can not be proven with measurement, yet.

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