climate change and geological: ... past, and dangers in the future

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It is alarming and appalling, our ignorance about climate change and geological past, and dangers in the future ...

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The Solar System takes 250 million years to make one complete revolution around the center of the Milky Way, which has more than 100 million solar systems similar to our ...

And to think that in the last 200 years is that apredemos to read and write, invent the car, phone, radio stack and found the electric light, paper, steamships, the first aircraft, and other significant scientific advances ...

It is alarming and estarredora the cosmic immensity of our ignorance about our past and future ...

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The real dimension of human insignificance before the vastness of cosmic ...

Dia da Terra

Brasil, Curitiba, 24 de agosto de 2013