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 ...
6 个月
Live Science on MSNMesmerizing animation shows Earth's tectonic plates moving from 1.8 billion years ago to todayUsing information from inside the rocks on Earth's surface ... which you can see in the animation below. The work, led by ...
The dots moving across the right side of the animation show how quickly each object travels 150 kilometers. As you can see, Earth's rotation is relatively slow, whereas the Milky Way is barreling ...
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