The Tunguska Mystery
Thursday July 3, 2008
One hundred years ago – June 30, 1908 – something exploded over Sibera with a force more than 1,000 times that of the Hiroshima atomic bomb. Although there are many theories, to this day no one knows for certain what caused it. Read more.
Comments
While extremely high temperatures can cause the reversal of the magnetic field, thus supporting the idea of an exploding comet or meteorite, the majority of the reported effects fall more in line with some kind of nuclear explosion. While it is theoretically possible the air in front of the object became superheated to the point that as it approached the earth that it was able to trigger a nuclear explosion in some mineral in the object, it is not very likely.
What is not mentioned in the article are the reports that said the object changed direction at least once. As far as anyone knows this is not something meteorites and comets are known to do.