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July

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Vacuum
1. Question over Big-Bang

maybe you are right but you should ask a spcialized scientist..and take into your consideration: In Einstein's universe, time and distance may stretch like rubber, but the speed of light remains immutable…you are confusing yourself by thinking of the rate of expansion as a speed. It's not. It's a percentage per unit time, approximately H = 0.007% per million years. What you describe here is the case of a constant Hubble parameter, which is equivalent to exponential acceleration.In a non-accelerating universe the Hubble parameter will be proportional to 1/t. Distance d = v*t, v=const -> H = d/v ~ 1/t. Observations and measurements in 1998 surprised most scientists, including those doing the work, finding the expansion of the universe is currently accelerating , although the Hubble factor is still decreasing over time. The Hubble "constant" is not really constant varying with time according to your choice of cosmological model. Try as a starter: http://www.physicsforums.com/newrepl...te=1&p=2413312 and New Wrights tutorial and FAQ: Frequently Asked Questions in Cosmology
2. Question over Big-Bang

Sir Ibiar,you've forced me to reply...coz i'm so careful in writing an talk..i think your views support mine.first you should check out: www.deceptiveuniverse.com/Shapiro.htm maybe will be useful 4 you.2nd I've some notes: the Doppler effect is general relativity theory is not based on two objects moving with respect to each other but based on the fact that space in between them expands . The photon, if you want to take it serious as a particle, has constant speed c, i.e. never accelerates, and has no mass. Therefore I don’t see how it could generate gravitational waves. One could, however, think that light is only the mediator of an interaction between an emitter and an absorber which are massive particles. Particles emit only if the accelerate and particles which absorb light begin to accelerate. Those would probably generate also gravitational waves.
3. Are there any defects about Solar System?

What I mean the Solar System Theory now!Are there any ones within this theory..Thanks every body.
4. Are there any defects about Solar System?

I'm afraid,I'll wait replying of Steve first,then I'll do James..if u have a reply about mistakes within solar system theory..could u provide me please...thanks
5. Are there any defects about Solar System?

Thanks Steve, I'm convinced of Solar System absolutely,but I think there's something wrong or ambiguous in this theory.You said "there are many mistakes within the theory"...Could you please remind or give me some of them.
6. Are there any defects about Solar System?

There is no a perfect theory, it must be some defects and contradictions, for every theory has defects, what we consider perfect nowadays maybe will be imperfect tomorrow,so Are there any defects or contradictions in regard to Copernicus' Theory or Earth Revolution (solar system) ?
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