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This more than 20-billion-year '''timeline of our universe''' shows the best estimates of major events from the universe's beginning to anticipated future events. Zero on the scale is the present day. A large step on the scale is one billion years; a small step, one hundred million years. The past is denoted by a minus sign: e.g., the oldest rock on Earth was formed about four billion years ago and this is marked at -4e+09 years. The "[[Big Bang]]" event most likely happened 13.8 billion years ago; see [[age of the Universe]].
This more than 20-billion-year '''timeline of our universe''' shows the best estimates of major events from the universe's beginning to anticipated future events. Zero on the scale is the present day. A large step on the scale is one billion years; a small step, one hundred million years. The past is denoted by a minus sign: e.g., the oldest rock on Earth was formed about four billion years ago and this is marked at -4e+09 years. The "[[Big Bang]]" event most likely happened 13.8 billion years ago; see [[age of the Universe]].


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Revision as of 22:15, 2 October 2016

This more than 20-billion-year timeline of our universe shows the best estimates of major events from the universe's beginning to anticipated future events. Zero on the scale is the present day. A large step on the scale is one billion years; a small step, one hundred million years. The past is denoted by a minus sign: e.g., the oldest rock on Earth was formed about four billion years ago and this is marked at -4e+09 years. The "Big Bang" event most likely happened 13.8 billion years ago; see age of the Universe.

Graphical timeline of the Big BangGeology of Mars#Mineralogical timelineGraphical timeline of the Stelliferous EraPre-NectarianNectarianLower ImbrianUpper ImbrianEratosthenianCopernican periodLunar geologic timescaleHadeanEoarcheanPaleoarcheanMesoarcheanNeoarcheanPaleoproterozoicMesoproterozoicNeoproterozoicPaleozoicMesozoicCenozoicEra (geology)HadeanArcheanProterozoicPhanerozoicEon (geology)Geological time scaleFormation and evolution of the Solar System#The Sun and planetary environmentsLife on MarsFormation and evolution of the Solar System#The Sun and planetary environmentsPrecambrianTitan (moon)#Prebiotic conditions and possible lifeTerraforming#ParaterraformingSolar shadeOrigin of lifeFormation and evolution of the Solar System#Asteroid beltWhite dwarfAsymptotic giant branchHorizontal branchFormation and evolution of the Solar System#The Sun and planetary environmentsRed giantMain sequenceProtostarElliptical galaxyMilky Way#EnvironmentAndromeda-Milky Way collisionFormation and evolution of the Solar System#Planetary migrationNeptuneFormation and evolution of the Solar System#Late Heavy Bombardment and afterFormation and evolution of the Solar System#Terrestrial planetsMilky Way#AgeBlack dwarfFormation and evolution of the Solar System#The Sun and planetary environmentsPlanetary nebulaHelium flashFormation and evolution of the Solar System#The Sun and planetary environmentsFormation and evolution of the Solar System#Long-term stabilityFormation and evolution of the Solar System#Moon–ring systemsFuture of the Earth#Red giant stageFuture of the Earth#Loss of oceansFuture of the Earth#Climate impactFormation and evolution of the Solar System#The Sun and planetary environmentsPortal:Current eventsMammalsMulticellular lifeAcasta GneissZircon#Radiometric datingEarthGeological time scaleSun#Life cycleFormation and evolution of the Solar System#Pre-solar nebulaFormation and evolution of the Solar System#Formation of planetsFormation and evolution of the Solar System#FormationSupernovaPopulation I starsGalaxy formation and evolutionOldest starReionizationBig BangChronology of the universe#Habitable epoch

See also

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