The Forgotten Age That Made Earth Green
Before dinosaurs… before forests… there was the Silurian. The Silurian period is one of the most important — and most ... In this quiet journey through deep time, we return to a world before trees, before the color Travel back one billion years into the deep history of our Welcome to the Professor Of Universe channel, your guide to the wonders of space! In this video: What happens when ... Planets and Their Old Version: Planets now and before old planets planets before planets now and before ...
