History
Planethistory
Earth Timeline:
What doThe
weNatural
know about
theofnatural
of planet Earth?
Five Billion Years of Solar and Global Evolution
Our planet formed from dust left
over whensolid
a massive
of cold dilute gas
and dust
oceans
Earthcloudmolecules
organisms
from to
MYA Era
and
and
and
and
condensed
MY MY to form the Sun 4.6 billion years ago. The Moon formed from remnants of a
collision between Orpheus atmosphere
and the Earth after Sun
the Great Ironcells
Catastropheecosystems
formed the
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now
PreHadean
Archaean Hadean
Earth's core. Our planet's surface was initially too hot to form a crust. Four billion years
ago, the Earth was still heavily bombardedName
by a ten
fluxorofmore
extraterrestrial objects.
Continents did not exist when the Earth first formed but grew over time.
Proterozoic
globally important events
Most of the water on Earth is in liquid oceans, but
of it has at times been buried in
inmuch
any column.
the land, vaporized into the atmosphere, or
frozen
solid.the
Life
existed before DNA,
Think
about
W5H:
proteins, chlorophyll, and rhodopsin evolved. The solar
flux incident on the top of the
who
atmosphere has increased by 40% over the history of the
Earth. During the Proterozoic
what
Era, photosynthetic bacteria helped remove most of
the carbon dioxide from the
when
atmosphere and released oxygen which was toxic to most bacteria at the time.
where
Eukaryotes evolved by serial endosymbiosis several times.
why Eukaryotes are masters of
multicellularity whereas bacteria are masters of metabolic
howdiversity. Plants and animals
are relatively recent evolutionary developments. Emphasis
Invertebrateson
ventured out of the seas
before vertebrates Phanerinvaded the land. Whales
and other
mammals are recent
connections
notmarine
collections
additions to the oceans.
ozoic
100
000
-100
-200MY
-300
MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
200 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
300 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
400 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
500 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
600 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
700 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
800 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
900 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
1000 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
1100 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
1200 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
1300 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
1400 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
1500 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
1600 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
1700 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
1800 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
1900 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
2000 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
2100 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
2200 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
2300 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
2400 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
2500 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
2600 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
2700 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
2800 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
2900 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
3000 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
3100 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
3200 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
3300 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
3400 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
3500 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
3600 MY
Oceans and Atmosphere
Solid Earth and Sun
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Organisms and Ecosystems
3700 MY
Oceans and Atmosphere
Solid Earth and Sun
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Organisms and Ecosystems
3800 MY
Oceans and Atmosphere
Solid Earth and Sun
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Organisms and Ecosystems
3900 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
4000 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
4100 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
4200 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
4300 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
4400 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
4500 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems
4600 MY
Oceans and Atmosphere
Solid Earth and Sun
Molecules and Cells
Organisms and Ecosystems