3 ms·
Deep geological time is hard to get your head around. 34M years ago is basically an eyeblink in deep time.
by gerikson 4y ago
Deep geological time is hard to get your head around. 34M years ago is basically an eyeblink in deep time.
- shagie 4y agohttps://nautil.us/the-greatest-animal-war-235067/ https://nautil.us/the-greatest-animal-war-235067/ has a neat graphic in it. > Deep Time: If the timeline of Earth were mapped onto the human arm, it would begin around the shoulder where the earth formed about 4.6 billion years ago. Animals originated within the palm, but the myriad forms alive today exploded onto the scene around the first knuckle, in the Cambrian period. Blocks along the fingers represent the periods that followed, such as the Jurassic (dinosaurs!) and the Cenozoic (in which humans evolved, a microscopic sliver at the tip of a fingernail)..