[gloryblaze]

This is how much of that I grasped: pretty picture.

[Red Badger]

Magnets...................

[roadcat]

This is how much of that I grasped: pretty picture.

I'm still amazed that liquid molten rock pours out of volcanoes, hotter inside the Earth than on the surface ground. Magnetic forces behind that also, I suppose (inter-planetary electric forces, iron core, friction of plates, etc.).