From the Universe's Origins to the Rise of Modern Humans

8/6/2019 From the Universe's Origins to the Rise of Modern Humans

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From the UniversesFrom the Universes

Origins to the Rise ofOrigins to the Rise ofModern HumansModern Humans


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In the BeginningIn the Beginning


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Our Universe May Be One of Many to HaveOur Universe May Be One of Many to Have

Emerged From the Fabric of RealityEmerged From the Fabric of Reality


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Current ResearchCurrent Research

Indicates Our Universe IsIndicates Our Universe Is

About 13.7 Billion YearsAbout 13.7 Billion Years

OldOld


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The Universe As Seen by a SatelliteThe Universe As Seen by a Satellite


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Looking Back Into the Dawn of Time


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The Milky Way Galaxy is About

100,000 Light Years Across and

Almost As Old As the Universe

Itself


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Andromeda is a Galaxy very much like our own


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A Star is Born


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The Solar System Began

to form more than 4.6

Billion Years Ago


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The Terrestrial Planets

Began to Form


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The Embryonic Earth


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The Moon Formed


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The Early Earth WasThe Early Earth Was

Violent and Filled WithViolent and Filled With

UpheavalUpheaval


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The Earth Was UnderThe Earth Was Under

Cosmic BombardmentCosmic Bombardment


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An Atmosphere Began toAn Atmosphere Began to

FormForm


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Chemicals Replicated, PerhapsChemicals Replicated, Perhaps

First in MineralsFirst in Minerals


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Hundreds of Millions ofHundreds of Millions of

Years After The EarthsYears After The EarthsFormation, Life Began toFormation, Life Began to

AppearAppear


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The RNA World May Have BeenThe RNA World May Have Been

the Only Lifethe Only Life--Like EnvironmentLike Environment


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After Many Centuries, RNA GaveAfter Many Centuries, RNA Gave

Rise to DNA and MoreRise to DNA and More

Complicated Life Forms Began toComplicated Life Forms Began to

EvolveEvolve


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Bacteria Emerged 3.5 Billion YearsBacteria Emerged 3.5 Billion Years

AgoAgo


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Plants Were the First Complex LifePlants Were the First Complex Life

Forms to DevelopForms to Develop


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Plants Added Oxygen to thePlants Added Oxygen to the

AtmosphereAtmosphere

420,000,000 Year Old Plant Fossil


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Animal Life Began to Evolve in theAnimal Life Began to Evolve in the

OceanOcean


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The Cambrian Era OceanThe Cambrian Era Ocean


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The Vertebrate Fish Gave Rise toThe Vertebrate Fish Gave Rise to

Other Life FormsOther Life Forms


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The Amphibians Colonized the LandThe Amphibians Colonized the Land


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The Reptiles Evolved, andThe Reptiles Evolved, and

Dominated the Land forDominated the Land for

Hundreds of Millions of YearsHundreds of Millions of Years


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The World in Which the ReptilesThe World in Which the Reptiles

Lived Was Much Different ThanLived Was Much Different ThanOursOurs


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From the Reptiles, ThereFrom the Reptiles, There

Emerged the DinosaursEmerged the Dinosaurs


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Another Group to Emerge fromAnother Group to Emerge from

the Reptiles Was the Mammalsthe Reptiles Was the Mammals


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Mammals Got Their Big BreakMammals Got Their Big BreakWhen the Dinosaurs WereWhen the Dinosaurs Were

Wiped OutWiped Out


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Late in the Age of Dinosaurs, a NewLate in the Age of Dinosaurs, a New

Kind of Tree Living MammalKind of Tree Living Mammal

EvolvedEvolvedthethe PrimatePrimate


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By Around 33,000,000 Years Ago,By Around 33,000,000 Years Ago,

Old World Primates Were WellOld World Primates Were Well

AdvancedAdvanced


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In Africa, More Developed

Primates Emerged

ArdipithecusAncestor?


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In Many Parts of the World, ForestsIn Many Parts of the World, Forests

ShrankShrank


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Certain Primates Began to Adapt toCertain Primates Began to Adapt to

Living on the Ground. Some BecameLiving on the Ground. Some Became

Upright (Bipedal) WalkersUpright (Bipedal) Walkersthethe

AustralopithecinesAustralopithecines


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More Than 4 Million Years Ago,More Than 4 Million Years Ago,

There Lived a Species in East AfricaThere Lived a Species in East Africa

CalledCalled afarensisafarensis


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The Most Famous Member ofThe Most Famous Member of

afarensisafarensis LucyLucy


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More Than 2,000,000 Years Ago, aMore Than 2,000,000 Years Ago, a

New Line Emerged in East AfricaNew Line Emerged in East AfricaHomoHomohabilishabilis..


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HomoHomohabilishabilisis Considered by Mostis Considered by Most

Scientists to Be the First True HumanScientists to Be the First True Human


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Later, a More Advanced HumanLater, a More Advanced Human

Species Evo

lved Ou

to

fSpecies Evo

lved Ou

to

fh

abilish

abilis Ho

mo

Ho

mo

erectuserectus


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HomoHomoerectuserectusWalked Fully Upright,Walked Fully Upright,

Could Use (If Not Make) Fire, andCould Use (If Not Make) Fire, and

Had More Advanced ToolsHad More Advanced Tools


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Examples ofExamples oferectuserectusHave BeenHave Been

Found in Africa, Asia, and EuropeFound in Africa, Asia, and Europe


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From HomoFrom HomoerectuserectusThere Emerged theThere Emerged the

Modern HumansModern Humansthe Homothe Homosapienssapiens

NeanderthalsAn

ExtinctCousin?


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Some Scientists Believe That Only theSome Scientists Believe That Only the

AfricanAfrican erectuserectusLed toModern HumansLed toModern Humans


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Others Think the ModernOthers Think the Modern sapienssapiensMayMay

Have Had Multiple OriginsHave Had Multiple Origins

Where erectus Remains Have Been

Found


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By 35,000 BCE There Were FullyBy 35,000 BCE There Were Fully

Modern HumansModern Humans


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The Months of the Cosmic CalendarThe Months of the Cosmic Calendar


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December in the Cosmic CalendarDecember in the Cosmic Calendar

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From the Universe's Origins to the Rise of Modern Humans