Seth Shostak quoteSeth Shostak [0-0]
American Scientist Quote rank: 316
If you could drive straight down, into a tunnel bored through the crust of the planet, you'd hit this molten mess in about an hour. It's called the asthenosphere - a sluggish sea, several hundred miles thick, on which floats the Earth's cool epidermis - the so-called tectonic plates. |
Cool
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