Structure of the Earth Theme Week

The Inner Inner

The Inner Inner Most children glean a bit about the geologic makeup of our planet in primary school. We learn the Earth is comprised of four layers: the crust, the mantle, the outer core, and the inner core. The basic construction of our planet by layer – image by BBC The crust is the layer …

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The Danish Temblor

The Danish Temblor In our previous issue, we explored the recent confirmation of a theory that Earth has five layers instead of the previously believed four. The standard model included the crust, the mantle, the outer core, and the inner core. Before 1936, the models would have indicated the earth had just three layers: crust, mantle, core. …

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The Iron Catastrophe

The Iron Catastrophe Everyone alive today owes their existence to a catastrophe. To explain that seemingly paradoxical statement, let’s foray into a brief overview of the universe, our sun, and the planet, courtesy of Columbia University. Somewhere around 13.8 billion years ago, the Big Bang kicked things off. There was hydrogen and only hydrogen. The …

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