Earth

7cevallosjohnsonHistoryof EarthTimeline

  • (5BYA)Sun is Born

    (5BYA)Sun is Born

    Gas and dust came togther to form our sun. The remaining particles orbited the sun.
  • (4.6BYA) Earth and Other Plantes Form

    (4.6BYA) Earth and Other Plantes Form

    Plantes are formed from repeated collisons from the space debris that was left over from the sun. Soon our home Earth was born.
  • (4BYA) Organic Molecules

    (4BYA) Organic Molecules

    Organic molecules accumulate and form rocks and crystals.
  • (4BYA)

  • (3.5BYA)Fossils

    (3.5BYA)Fossils

    Stromatolites were fossilized.
  • (3BYA) Photosynthetic

    (3BYA) Photosynthetic

    Some forms of life became photosynthetic. Before them were autotroph organisms that underwent chemosynthesis.
  • (2.2BYA)

  • (2BYA) O2

    (2BYA) O2

    O2 levels reached todays levels.
  • (1.5BYA) First Eukaryotes

    A type of aerobic prokaryote was engulfed by and lived and reproduced inside a larger prokaroyte.
  • (1BYA) Ozone Formed

    (1BYA) Ozone Formed

    The ozone formed and protected organisms from harmful UV rays so they could exists on land.
  • (1700's) Spallanzani

    (1700's) Spallanzani

    Spallanzani found that the open bottle of broth filled with microorganisms.
  • (1953) Miller and Urey

    (1953) Miller and Urey

    Miller and Urey find organic compounds in the gases that Oparin and Haldane predicted.
  • (1970) Organic Compounds from space

    (1970) Organic Compounds from space

    Organic compounds were found on a meterorite.
  • (1900's) Radiometric Dating

    (1900's) Radiometric Dating

    Scientists discover how to use carbon-14 to figure out how old things are.
  • (1668) Redi's Experiment

    (1668) Redi's Experiment

    Redi finds that flies don't come from raw meat.
  • (1800's) Vital force

    (1800's) Vital force

    Pasture proved that Vital force didn't exsist.
  • (1900's) Ribosomes

    (1900's) Ribosomes

    Thomas Cech finds ribosomes.
  • (1900's) Fox

    (1900's) Fox

    Fox discovered shape of early prokaryotes.
  • (1920) Organic Compounds

    (1920) Organic Compounds

    Alexander Oparin and John Haldane discovered that compounds from the Ozone collect in the water and form macromolecules.
  • (1980) RNA

    (1980) RNA

    Thomas Cech discovers RNA