If matter can nor be created nor be destroyed where did the big bang matter come from
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Answer:
The law implies that mass can neither be created nor destroyed, although it may be rearranged in space, or the entities associated with it may be changed in form. For example, in chemical reactions, the mass of the chemical components before the reaction is equal to the mass of the components after the reaction.
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Matter and energy aren’t DESTROYED, they are CONVERTED. Most importantly, you question is an utterly flawed one, like so many others here and on the web in general, they ask from a position of ignorance and thus people start believing in all manner of absurd things because of a lack of knowledge. The big bang, you must understand, has ABSOLUTELY NOTHING in common with matter and energy being destroyed. Look, at that event, there were NO laws governing space time, because it didn’t exist. So from that perspective, the question is invalid, due to a complete lack of knowledge, or understanding , of the conditions at the event. So, know that empty space is NOT just empty, it is seething with vacuum energy, virtual particles are popping into and out of existence all the time, this is fact, there is evidence for it. This next bit is the bit we can’t get our heads around, never the less, it happened. We can only have a somewhat educated guess as to what caused the initial spark for the big bang, Brane theory suggest’s that two membranes collided for the briefest instant that gave rise to an event that set up the conditions that violated the properties of virtual particles being created and destroyed, this is of course happening at the smallest possible scale there is, the Planck scale, whether particles and their antiparticles are what is responsible or just some particle moving forward and backward in time, or perhaps their spin is reversed, who knows, but the events are confined to the Planck scale. Reality seems to have this lowest possible energy state, this is what is seen as virtual particles appearing and then disappearing, and, it can be measured, or felt, with the Casimir effect.These particles seem to be able to exist, for the briefest of time, a Planck time, and then are annihilated, so long as the energy of the event is paid back, so that the overall net energy expenditure is zero. The tiniest , highly improbable event that violates this, gives rise to a net positive value, and THIS is where things get crazy. So here have this non zero event, that now has real positive energy, and because it is now REAL, and is a non zero event ABOVE the Planck scale, and Planck time, REAL time has also started. This is the nucleus, the quantum singularity that is now about to inflate. It has no metric, it has no dimension, it has no net size or anything, to be said about it, other than, because it is non zero, it ‘s size compared to zero is obviously very large, and it’s properties may well relate back to the membrane collisions that caused it in the first place. So, here is this thing, a point like entity, without volume, but very real. Now, there is no Higgs field , thus no mass, thus no gravity, no nothing yet to speak of, so this entity can inflate with absolute freedom, there is nothing pushing against it to stop it. So it goes from a point of possibly infinite energy to the size of a grapefruit or whatever in practically no time at all, still it has nothing stopping it from expanding, so on it goes, expanding, and thus diluting it’s energy into real space, until the net energy per volume is low enough for the fundamental forces to condense out of this ultrahigh intensity ball of chaos, thus we start to get the conversion of energy into matter, and with it the accompanying forces that are emergent, the strong and weak nuclear forces, gravity, and electromagnetism, the rest is pretty easy. We can simulate the environment back in time to very close to the point of the inflation, but of course, we are limited to how close we can get because obviously we can’t recreate the kind of temperatures at that point, and in that volume, which may in fact be no volume at all, it may have been just a point, so there’s that. Unfortunately, we will have to rely on our math and science for the foreseeable future. As for an absolute definitive answer for what there is beyond the big bang, or rather, what the conditions are that caused it, if that is even possible to be conceived of in that oh so human way, we may never know, or perhaps one day, some pan dimensional hyper intelligent beings will share that knowledge with us, and then our brains cave in and we melt into a pool of protoplasm, personally, I don’t think we are yet at a point of being able to comprehend something of that magnitude, we are very small and finite beings, with extremely limited intellect, most of us have trouble conceptualizing little things, like the size of this ball we live on, let alone trying to wrestle with the big questions….