Recent content by Keijo

"I suppose so" is not a convincing reply. Can you be more specific?

Thanks Malawi. That's what I believe and it takes me to where I'm heading. Since the gravity content remains, is this content taken into account by cosmologists when calculating the expansion rate of the universe? Also where is it? I ask because I have seen no reference to it, in my...

Dmitry. Thanks, you are absolutely right. I stand corrected by my wording. I used the word "also" twice in my post. By "also most people forget" I did not include physicists. By "space also contracts by the same factor" is correct but for different observers. I used the "also" only to...

Malawi. I don't think you understood the question. I never said gravity would be lost. In that small period of time when matter and antimatter were both present the total particles that existed were approximately 9 orders of magnitude greater than they are today. Therefore if matter and...

Maybe you don't have to travel faster than "c" to cross the universe. As you accelerate towards the speed of light, sure time dilation does occur. But also, most people forget that space also contracts by the same factor. Speed is distance divided by the time taken to travel it. So at...

I posted this question in the general physics section and the physics part has been answered somewhat. However the cosmological components remain un-answered. Would someone be kind enough to comment on those aspects please? Here is the question; Matter and Antimatter, I have always...

Thanks Nabeshin. I take it then, that the observed mass of stars,galaxies and dust, accounts for only a tiny fraction of the gravitational field holding back the expansion of the universe. By far the strongest effect (by nine orders of magnitude) is the gravitational effect of the residual CMB...

Matter and Antimatter, I have always wondered what happens with regard to the gravitational field when matter and antimatter annihilate each other. Consensus among physicists is that matter and antimatter behave the same as far as gravitational potential is concerned, i.e., both will...

Interesting thread this. Pardon me for taking a slightly different slant on the subject but I have always wondered what happens with regard to the gravitational field when matter and antimatter annihilate each other. Consensus among physicists is that matter and antimatter behave the same...