domingo, outubro 07, 2012

PERTURBAÇÃO MAGNÉTICA DOS PÓLOS E ATIVIDADE SOLAR 7-10-2012 .


The Watchers Tweet Tweet Scientist claim that true polar wander is happening now. True polar wander is a solid-body rotation of a planet with respect to its spin axis, causing the geographic locations of the North and South Poles to change, or “wander”. Cases of true polar wander have occurred several times in the course of the Earth’s history. The speed of rotation is limited to about 1° per million years. If an object of sufficient weight on Earth formed far from Earth’s equator,...