What is the center of the earth

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what is the center of the earth

Dinner at the Center of the Earth by Nathan Englander

A prisoner in a secret cell. The guard who has watched over him a dozen years. An American waitress in Paris. A young Palestinian man in Berlin who strikes up an odd friendship with a wealthy Canadian businessman. And The General, Israels most controversial leader, who lies dying in a hospital, the only man who knows of the prisoners existence.

From these vastly different lives Nathan Englander has woven a powerful, intensely suspenseful portrait of a nation riven by insoluble conflict, even as the lives of its citizens become fatefully and inextricably entwined--a political thriller of the highest order that interrogates the anguished, violent division between Israelis and Palestinians, and dramatizes the immense moral ambiguities haunting both sides. Who is right, who is wrong--who is the guard, who is truly the prisoner?
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Published 08.10.2019

What Would a Journey to the Earth’s Core Be Like?

Research journey to the center of the Earth

We ask you to do this by linking back to our original story. New experiments that crush material between two diamonds to simulate the extraordinarily high temperatures and pressures found in the earth's interior are providing answers to the age-old questions of what our planet is made of, and where its ingredients came from. The best way to understand the precise composition is to replicate the conditions of the core in the lab. That means temperatures of thousands of degrees and pressures of about gigapascals — over a million times the pressure of our atmosphere. To mimic such conditions, Prof. In some sense, diamond anvil cells offer an easy route to replicating extreme conditions. But the data is not always easy to interpret.

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February 1, Researchers in Japan say they may be one step closer to solving a mystery at the core of the Earth. It has long been established that approximately 85 percent of the Earth's core is made of iron, while nickel makes up an additional 10 percent. Details of the final 5 percent—believed to be some amount of light elements—has, until now, eluded scientists. According to the Japanese research team, which includes Dr. Tatsuya Sakamaki and Prof.

This article is a preview from the Summer edition of New Humanist. You can find out more and subscribe here. If you could dig a tunnel right through the Earth you could theoretically free-fall to the centre of our planet in just eighteen minutes. No material yet developed could withstand those conditions. The deepest we have ever drilled is just over 12km. But just suppose you could build it, what would you find? Much of what we have learnt about the inside of our world, especially its innermost regions, we have discovered only recently.

Geology textbooks have been telling us the Earth's inner core is solid for decades, but now we have proof for the first time. The first detection of a long-anticipated type of seismic wave has provided insight into the nature of the Earth's inner core. The center of the Earth is hard to study. What we know has been learned by comparing the after-effects of earthquakes near their source with echoes on the other side of the planet. The changes these waves undergo in their passage reveals the nature of the medium through which they have passed. As far back as , Inge Lehmann determined that seismic waves produced by earthquakes in New Zealand were bouncing off a boundary within the Earth on their way to her native Denmark. This led Lehmann to postulate an inner core, and calculate its radius as 70 percent of that of the Moon.

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