Conservation of mass in space?

Delmer Pectol: Energy can be neither created nor destroyed - well that is true in the Standard Model but we know that is wrong.We cannot create, we observe the "known universe" obeying this law. We know that the inflation of the Universe was driven by an unknown energy - all dressed up with words like "Inflaton" "Inflation Field" - all BS of the highest order - SOMETHING drove the inflation and it was creating.The expansion of the Universe is being driven by "Dark Energy" - another god only knows - call it fairy dust if you want but energy is pouring into the Universe and we have no strong hypothesis to explain it.If the current conditions continue you will not see atoms light years apart - you will see quarks and leptons giga light years apart. This is called the "Big Rip"....Show more

Clinton Quant: these answerers seem smart enough, i dont understand why they believe the "big rip" myth. so called "dark energy" is accepted as the cause of the universe expanding. g! alaxies not held by gravity are moving away from each other and galaxies twice as far are moving twice as fast but dark energy is an insignificant force compared with gravity. thats why the andomeda galaxy is coming at us. and its why our local group (a cluster of galaxies including our own held together by gravity) has not been moving away at all. never have, never will. just because the universe exponentially doesnt mean that atoms will tear apart. lol. the dark energy force is NOT increasing. the universes overall mass will be pretty much zero cause there will be expanses between galaxies so vast that light traveling across it will red shift to the point that it can not be detected. so hundreds of trillions of years from now newly evolved life will look out beyond their galaxies and see nothing but infinite blackness. not even a trace of the big bang will be left. they will think their galactic cluster is the entire universe and that it had always been that way. lol. stu! pid future people....Show more

Luis Mellon: "Conservatio! n of mass in space?"We know mass is not conserved. That is what "E = mc^2" is all about, mass loss / gain as energy is released / absorbed."With the law of conservation of mass,"Disproven..."applying to the universe as a whole, does this mean that after the Big Bang/creation/whatever you believe that the universe either spreads mass out or clusters it, molecularly changing form but still remaining,"No. Does not even work for energy in an expanding Universe, whereas in local systems, energy *is* conserved."this eventually will result in either spread out mass with massive voids or a single gigantic black hole (crunch)?"No crunch. Not possible any more."With the former does this mean, having no bounds in space, that single atoms will be light years apart with no chance of ever meeting another, aka 'destruction by diffusion',"Yes. Eventually no particle will have any other particle in its future, so this will shred protons and neutrons as well, not just "atoms". About 125! billion years form now, at the current rate of acceleration of expansion (and we do not know what "process" sets that rate, and if it will stay constant)."or with the later everything that exists in a compressed singularity destroying all being inescapable and eventually (I hope) being kinda like a 'reset button' for the Big Bang/creation? Thoughts please "A Big Crunch kills us sooner. Light emitted today will become more and more blue shifted, until it is X-rays, then gamma rays. But cannot happen....Show more

Mario Stricklan: The total mass-energy content of the Universe is likely to be zero.Gravitational potential energy is negative.Matter and energy are interconvertable.