what is cosmic inflation at the exceedingly beginning our cosmo went through a reporting period exponential faster than the speed of light stretching of gap known as inflation the unfold was effected by a hideous word of seriousnes and the macrocosm redoubled in size at least a hundred times going from the size of a billionth of a proton to the size of a grapefruit inflation ended when the abhorrent vitality decayed into audre question and force at which point or a Big Bang expansion took over why do we speculate inflation happened the philosophy of inflation justifies two qualities of our discernible nature one the uniformity of gap and two the evident flatness of the universe the recognizable cosmo the discernible cosmo as the refer demonstrates is a universe that we can study from Earth that is glowing from the contents of the observable macrocosm has had time to reach our instruments on earth assuming that the universe is the same in all directions the length to the leading edge of the observable cosmo is the same in every direction so the shape of our observable nature is a spherical lump with the commentator at its center inflation illustrates the uniformity of our observable macrocosm at the largest of proportions the recognizable world displays an extraordinary level of samenes there are of course definite designs in space such as galaxies and hotshots nonetheless from a interval far enough apart all of seat seems to look the same from all tendencies similar to how sand in a desert will be presented uniformly distributed if mentioned from a plane flying high up fairly in the sky the philosophy of inflation allows the contents of the baby cosmo ample time to interact and come to a outfit concentration of energy and temperature before the rapid expansion existed it is that similarity which is the present homogeneity of room we observe today without inflation the Big Bang prototype is not have given the babe verse enough time to reach homogeneity in this route inflation too excuses the flatness of our discernible nature space-time incorporates the three magnitudes of infinite up and down left and right and back and forth and the fourth feature of meter general relativity describes how mass and vitality can arch space-time and accordingly the mass and energy of the world can also curve space-time there are three possible curvatures the nature could have positive curvature negative curvature or no curvature at all ie be flat the critical density of the macrocosm is the mass and vigour contained per unit work of cavity needed per macrocosm to be flat that means that gravity produced by the mass and vigor in the universe is such that it perfectly poises out the extend of the universe when the universe has critical density it continues to stretch at a diminish pace forever until infinite era has passed whereupon the unfold will finally halt but as we all know infinity has no end the concentration parameter the density parameter connoted by the letter Omega in the Greek alphabet is used to determine what curvature the universe has it is the norm mass energy density of the cosmo divided by the critical density if the concentration constant is more than one there is positive curvature if the concentration parameter is less than one there is negative curvature and if the concentration parameter is precisely one ie the average mass energy density of the universe is the same as the critical density then the universe is flat but the universe to have positive curvature there is enough mass energy density in the universe to raise gravity that delivered space-time enough to eventually overcome the extend of gap so that the universe will collapse back in on itself to structure a closed world for the universe to have a negative curvature there is not fairly mass energy density to produce fairly gravitation that can halt the stretching of gap so the universe will be an open saddle-shaped universe which continues to stretch forever as a diminish pace and we have already covered that in a flat world there is just enough mass intensity density to produce gravity that perfectly matches out the elongate of room what do we mean by a flat world when describing the universe as flat it is not meant that it’s flat in the same smell as a 2d condition is flat but very that the geometry of the universe is such that parallel threads will never cross the slants in a triangle will always add up to 180 units and the regions of cubes will always make right directions in a closed macrocosm the slants of a triangle would be more than 180 severities in the open saddle-shaped nature the angles of a triangle would add up to less than 180 positions and in the flat macrocosm as referred to the directions of a triangle would add up to precisely 180 units why do we speculate the macrocosm is flat region calculate the density parameter of our cosmo exerting two methods and both methods expres that it is very close to 1 hence be said that our cosmo is very close to being flat the first method involves counting up all the mass energy in the universe taking as average density then fractioning that average by the critical density the second largest technique involves reaping a big hypothetical triangle on the cosmic microwave background radioactivity and attending if the inclinations of the triangle lend up to 180 magnitudes the cosmic microwave background radiation also known as the CMB is the oldest light-footed in our cosmo that has traveled to our instruments as the versions of light traveled across the universe their wavelengths unfolded transforming the photons into microwave radioactivity when the hypothetical triangle was drawn on the same B it turned out that the sum of its inclinations did indeed add up to 180 measures been reported that our universe is indeed flat how inflation interprets the before we are too excited and government definitively that our world is flat we have to remember that the exponential extend of infinite brought on by inflation drives the universe toward flatness smoothing up the fabric of the world we can only measure the observable macrocosm which may be part of a much greater world which might not be flat the resemblance that is often used is how an ant sitting on the surface of a large inflating balloon would assume that the surface is his sitting on is flat because that’s how it would always appears to be him from his minuscule position we may be that pant and the universe is so massive that whatever we can set will be presented flat to the americans and that in a nutshell is planetary inflation as ever I hope that members can enjoyed this video and delight recollect to expressed support for London metropoli girl for more instructive and educational videos from me you
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