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Hadeon Eon

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Hadeon Eon
Hadeon Eon
Slide 2
Major Eons
Phanerozoic (543 Ma to present time)
Multicellular organism
Proterozoic (2500-543 Ma)
Oxygen atmosphere, single celled aerobic organism.
Achaean (3800-2500)
Anaerobic bacterial life, oxygen starts to accumulate
Experiments with bacteria start to occur within nature
Create proton gradients
Hadean (4600-3800 Ma)
Formation of the solar system and planet, end with origins of life
Fungi is the closest ancestor to us
Slide 4
Major Era – Phanerozoic
Cenozoic (65 Ma to present)
Dinosaurs disappear, mammals and birds
Mesozoic (251-65 Ma)
Flowering plats, dinosaurs, even more insects
Paleozoic (543-251 Ma)
Marine life, algae, fist land plants and insects

How to remember Hadean eon, Achaean Eon, Proterozoic Eon, Phanerozoic, Paleozoic era, Mesozoic and Cenozoic.
How are pathetic pooping people making cars
How are people possibly passing my class ;-)
Happy and proud peasants pull my car
Hey Alex pretty please pass me cake
Houseman appears periodically punching people most casually
Slide 6
Galaxies
Galaxies are Stellar matter builds clumps that attract more things so it gets bigger and bigger and bigger.
Nuclear fusion reaction
Slide 7
Mercury
Venus
Earth
Mars
Mars and up Metal Planets
Jupiter
Jupiter and down are gas planets
Saturn
Uranus
Neptune
Create stable orbits around the sun
Saturn and Jupiter
So large that when planets debris came in, they would be sucked up by Saturn and Jupiter or by the sun.
Gravitational forces were huge
Big sisters that protect other planets from meteors etc.
Slide 9
Habitable zone
If water can remain liquid
Atmosphere must be held in place
Mass of planet and distance from sun creates a goldilocks zone (habitable)
Slide 10
Hadean Eon
Phase 1: Building Phase
Phase 2: Stabilizing Phase
Slide 12
Origins of life on earth
Special creation
Extraterrestrial origins (panspermia)
Chemical evolution
Slide 14
Wacky water
Cohesion, adhesion and surface tension
Solvent properties
Ice
Temperature
Slide 15
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