The question is out there but it has never really been answered. Is the earth’s core really cooling? Is it in a steady state? Or is it rather “trending” downard.
What is trending? When I say trending I mean oscillating downward,just as a stock for example will oscillate downwards or upwards over time if it is attaining value. This question is frankly at the heart of many other questions, and could in my opinion be at the heart of the most important question of all right now. That is to say the question of climate change. For a long time I have suspected that the earth’s climate could concievably be regulated by forces within the earth itself. That is to say if the core is trending towards warming then the seas will warm also, and this will make the planet a balmy paradise, as it was sixty million years ago during the reign of the dinosaurs. If on the other hand the planet is trending towards a cool down, then there is reason to believe that the planet may be trending towards a cool climate as well. It will also factor the atmosphere as the evaporation of the atmosphere itself will likely be affected by volcanic events, and the internal heat of the earth. Though, I cannot say exactly how since little in the way of research has been done along those lines. However, there is enough reason to suspect that the internal cycles of the earth’s heating mechanism may well affect the surface climate as well, and yet little to nothing has been written on this matter.
The first question however, is king here. Is the earth cooling or warming, or is it steady state? I suggest two approaches to determining this question. The first would be to calculate the rate of continental expansion over the past sixty million years. If we could empirically determine either a slow down, or a speed up of continental expansion it could with other data help us understand the actual phenomenon. Another element in this determination would be to examine the volcanic history of the earth over that same period. IF the volcanic activity is slowing then there is good reason to believe the earth is cooling. IF not then we would be tempted to think the earth is either steady state, or is warming. The same goes with earthquakes. If seismic activity is increasing then there is good reason to believe that the earth is warming(at least temporarily, again possibly “trending” towards warming) but if volcanic activity is subsiding over a span of sixty million years, then there is a good enough reason to suspect the earth is cooling. However, only an examination of these co-factors can really give us a clue, as well as the correlation with periods of polar glaciation. So that is to say to understand the actual history of the earth’s core we must look at a number of factors, but all of them I think can be known at present, if anyone would bother looking.