Tag Archives: inner Earth

Who’s Got Mantle?

NASA has reprocessed the Apollo missions’ old lunar seismic data. The data is from 1969 through 1977, the latter being recorded by equipment still active long after the last astronaut went home. This is old seismic data. Reprocessed, it tells … Continue reading

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Zero Degrees of Kelvin

My book, The Mountain Mystery, is not kind to the great physicist Lord Kelvin. I feel a bit uneasy admitting that in my research on the brilliant fellow, I just could not get comfortable. I wouldn’t have been his friend. … Continue reading

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Earth’s Mid-life Crisis

Some researchers think the Earth went through a mid-age doldrum, a sleepy period of listless ennui. Its plates slowed down, they claim. Or maybe stopped churning completely. For about a billion years, (1.7-.75 bya) the planet was boring. No serious … Continue reading

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How Hot is Hot?

How Hot is Hot?  4,000 degrees K, according to new study.  Researchers at the Magma and Volcanoes Laboratory (CNRS U Blaise Pascal) and the European Synchrotron (ESRF) have collided to make sense of the really hot temperatures at the core-mantle … Continue reading

Posted in History, How Geophysics Works, The Book | Tagged , , , , | 2 Comments