| Graphical Timeline Of The Big Bang |
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This timeline of the Big Bang shows the sequence of events as predicted by the Big Bang theory, from the beginning of the Planck Epoch to the end of the Epoch of Nucleosynthesis (and beginning of the Epoch of Galaxies). It is a logarithmic scale expressed in powers of 10. For example, the Hadron Epoch extends from 10-6 to 1 (or 100) second and on the scale of the timeline spans -6 to 0. ImageSize = width:600 height:2000 PlotArea = left:200 right:350 bottom:45 top:45 AlignBars = early Colors = id:period1 value:rgb(1,1,0.7) # light yellow id:period2 value:rgb(0.7,0.7,1) # light blue id:events value:rgb(1,0.7,1) # light purple Period = from:-43 till:13 TimeAxis = orientation:vertical ScaleMajor = unit:year increment:1 start:-43 BarData = bar:Timelines bar:Periods bar:Events PlotData= width:20 mark:(line,red) textcolor:black bar:Events color:events align:left shift:(15,0) at:-43 text:" Planck Time , the smallest observable unit of time and~the time before which science is unable to describe~the universe. At this point, the force of Gravity ~separated from the Electronuclear Force ." at:-36 text:"Separation of the Strong Force from the electronuclear~force." from:-35 till:-33 text:" Inflationary Epoch - The universe expands exponentially." at:-33 text:"Quarks and anti-quarks begin forming." at:-12 text:"The weak force separates from the electromagnetic force~resulting in the four separate forces we know today." at:-6 text:"Electrons and positrons begin to annihilate each other." at:-5 text:"Quarks combine to form protons and neutrons.~Quark/anti-quark pairs combine into mesons." at:-4 text:"Lepton/anti-lepton pairs are annihilated by existing~photons. Neutrinos break free and exist on their own." at:0 text:"Formation of atomic nuclei (hydrogen). Nuclear Fusion ~begins to occur as they collide to form heavier elements." at:2 text:"Nuclear fusion ends after about 3 minutes." at:13 text:"372,000 to 387,000 years - Hydrogen nuclei capture~electrons to form stable atoms. Photons are no longer~able to interact strongly with atoms.~ Cosmic Microwave Background Radiation forms." bar:Periods align:left shift:(15,0) from:2 till:13 color:period1 text: Epoch Of Nucleosynthesis from:0 till:2 color:period2 text:Lepton Epoch from:-6 till:0 color:period1 text:Hadron Epoch from:-12 till:-6 color:period2 text:Electroweak Epoch from:-35 till:-12 color:period1 text:Grand Unification Epoch from:-43 till:-35 color:period2 text:Planck Epoch bar:Timelines align:right shift:(-75,0) TextData = tabs:(210-left) pos:(50,1995) text:"Timelines"^"Events" text:" -"^" --" SEE ALSO
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