The moon's shadow moves across the southern tip of South America, where a solar eclipse was visible Credit: CIRA / noaa See that dark red blob over South America? That's a solar eclipse. Or at least, ...
A billion-year history of Earth’s interior shows it has changed shape more than previously thought
Deep in the Earth beneath us lie two blobs the size of continents. One is under Africa, the other under the Pacific Ocean. The blobs have their roots 2,900 km below the surface, almost halfway to the ...
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