Figure E5 SIDEROPHILE

A glowing spheroid, uniform and mixed,

Was Earth when first from nebula congealed

But soon it was in ordered layers fixed,

For Chaos soon to Gravity must yield,

And so, precipitate, the core was steeled,

In its collapse provoking such a wave

That throbbed the newly-formed magnetic field

So great auroras ran from sky to cave

Like to a rainbow, or the lasers at a RAVE.