“Geology is not a real science,” Sheldon Cooper in The Big Bang Theory thundered. But there are interesting discoveries (ok that for Sheldon only quantum physics was a science, and we love it for its intransigence). For example: how long was 400 million years ago a long day ago? From paleontology we know that the fish had armored teeth from which our (and vertebrates in general) descend, the earth was all a eaten-mangia as today but the duration of a day, although no one would notice, lasted 21 hours and A year 400 days.
This also depends on the interactions between the internal nucleus of our planet (liquid and incandescent) and the solid one, and a study by the University of Southern California Nature Geoscience (excuse me Sheldon) analyzed the differences of 168 pairs of earthquakes before and after 2010, finding anomalies in the waves that touched the internal nucleus. The internal nucleus, between 5100 and 6100 km deep, revolves differently than the rest of the planet. Moreover, as Carlo Doglioni, president of the National Institute of Physics and Volcanology comments, “with a temperature of about 6000 degrees the solid nucleus of the Earth did not exist before 1.2 billion years ago, with the gradual cooling the internal nucleus yes It is condensed ». (In the meantime, we have another problem on the surface, as you know: CO2 emissions and the overheating of the atmosphere: under the earth it cools, above it heats up, the second is more urgent, if then the day between one hundred million years It will not last twenty -four hours humanity will have moved the watches, admitted there is still).
By the way: there is a new game that goes very strong on PC, it’s called Game About Digging in Hole, which consists in finding new materials to dig a hole in the home garden (the game of the game, not your home), and thousands of people are continuing to dig one
Buca towards the center of the earth with their virtual motor shovel. In the end there will be a great secret, if it is not a fantasy they will arrive at the neighbors at the internal nucleus and will end up charred. To the delight of Sheldon Cooper.