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Mysterious deep structures puzzle scientists beneath PacificGeologists from ETH Zurich and the California Institute of Technology, who are studying the Earth's interior using seismic ...
Earth is full of mysteries that scientists have yet to fully understand. Despite years of research, some phenomena remain ...
Mars’ strangely small mass still puzzles planetary scientists. Definitive answers as to why are still hard to come by.
In the case of our 'string around the Earth' puzzle, the radius is being increased by 15cm, so we need to know that as a fraction of the original radius. So what is the radius to start with?
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