What Was the Earth Like Before Dinosaurs?

We've heard many times that a massive asteroid wiped out the dinosaurs from our planet. But the dinosaurs were on Earth only 250 million years ago. What was before them? Our planet had a history of over 4 billion years before the Dinos. So what was it like? Let's travel back in time and witness the events as they happened since the very beginning - the formation of planet Earth. We'll see our planet covered with a thick layer of ice, how a giant supercontinent was formed and what kinds of organisms inhabited the ocean. Learn more about your ad choices. Visit megaphone.fm/adchoices