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Earth may have underground 'ocean' three times that on surface
#48
RE: Earth may have underground 'ocean' three times that on surface
I don't understand how we got from "comet impacts brought water to the planet" to "comets make it rain."
"Well, evolution is a theory. It is also a fact. And facts and theories are different things, not rungs in a hierarchy of increasing certainty. Facts are the world's data. Theories are structures of ideas that explain and interpret facts. Facts don't go away when scientists debate rival theories to explain them. Einstein's theory of gravitation replaced Newton's in this century, but apples didn't suspend themselves in midair, pending the outcome. And humans evolved from ape- like ancestors whether they did so by Darwin's proposed mechanism or by some other yet to be discovered."

-Stephen Jay Gould
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RE: Earth may have underground 'ocean' three times that on surface - by Tonus - June 27, 2014 at 6:38 pm

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