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Science In General

Mr Nathan Johnson
So I read that artical that said all the matter we know of is only 5% of what's out their the other is dark energy. Is that energy done creating matter?

 
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As we understand it, all the matter present in the universe was created at that first instance. What is happening ever since is evolution - controlled changes, growth.

Comments from Mr Nathan Johnson:
But that dosent make sense the big bang theory was baced on the theory that a sudden burst of intence energy constructed all matter then expanded. But if dark energy is pulling us apart or pushing us arpart and that energy makes up 95%of enerything then it has to be able to make more
Mr Joseph Vempeny India
(Expert Rating 2831)   Member has an expert rating of 2000+
Discussion:

Some 13.7 billion years back, there was no matter, space or time. All these appeared together. (Space and time has no relevance without matter.) ll th ematter that make up the universe of today existed at that moment in a very tiny space. This is theonly case where scientists can speak of matter with infinite density. All the various physical constants that we discuss today, whose fine tuning allowed the evolution of the cosmos, th eappearence of life and all that story, were encrypted into that primordial matter at that moment of creation. All the laws of nature, all the laws of physics, were provided for the smooth eveolution or growth.

The energy that controlls the evolution of the universe, the dark energy could be the same source from which all this came or it could be different. The fact of the matter is that no increase in the amount of matter has been observed so far. New matter is not created. there is only changes taking place. Right now the only noticable change is the fast expansion.
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Joe:

To say that space has no relevance without time and matter is a rather complex statement. I presume you mean that there is no way to measure one without the other - e.g. you can't measure time with using spatial displacement or some similar phenomenon like radioactive decay.

But that's rather like the question of whether the tree falling in the forest makes a sound when no one is there to hear it. Isn't it?

Rob

robdashu USA
(Expert Rating 109)   Member has an expert rating of 100+

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