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But we don't get very far on our road trip through time and space before the Moon shows up after Earth is hit by a planetary body.
About halfway across the top of Arizona, the world's largest rock forms 3.95 billion years ago, and then a few miles down the road – 3.8 billion years ago – the first evidence of life shows up, in the form of replicating molecules.
But it's not until Kansas, 2.7 billion years ago, when oxygen-producing cyanobacteria first emerge, and then 200 million years later that significant amounts of oxygen build up in Earth's atmosphere.
And then, believe it or not, it's not until Pennsylvania – halfway across the country – that multicellular organisms evolve, just 600 million years ago.
A lot happens in Pennsylvania, like plants colonising the land and amphibians evolving. And by the time dinosaurs become extinct we're already in New York State.
originally posted by: gortex
Look at what we've done in such a relative short time.
originally posted by: rhynouk
Thanks for sharing, it's an interesting and informative video. My only problem is that none of us were around back then but we seem to know how the moon, earth and everything inbetween was formed.
originally posted by: norhoc
a reply to: gortex
This to me makes evolution all the more improbable, 250 million years ago 99 % of all life is wiped out. 250 million years is not enough time to evolve from microscopic life to all the species you see on earth.
originally posted by: oloufo
and what we have destroyed in such a relative short time. luckily we still evolving. cool video!
Very little of what we've accomplished wasn't developed from the adoption of techniques observed in the insect, bird and animal world,