About five billion years ago the solar system was born and then the star we call the Sun The Sun, with all the bodies that revolve around it, is a system of which only a few years know other examples, but none of these is within the reach of our direct observation. For this reason, the problem of its origin, the evolution and prediction of its future is far more complex and difficult.
The Mesozoic or Secondary Era, extends for a period ranging from 251 to 65 million years ago. Also called as the Age of Reptiles, derives its name from the greek mesos, "middle", because it was placed in between the ancient (Paleozoic) and recent (Cenozoic) where he witnessed a veritable explosion in the number of living species and formed the…
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