Putting The History Of Earth Into Perspective

The Earth is really, really old. Over 4 1/2 billion years old, in fact. How do we begin to comprehend a number that large? It helps to put it on a more fathomable scale. Watch to see where Earth's major events would fall on a timeline stretching across the US. Science Insider tells you all you need to know about science: space, medicine, biotech, physiology, and more. Science Insider tells you all you need to know about science: space, medicine, biotech, physiology, and more. Subscribe to our channel a