Hearing Vera, Charlie ignored his splitting headache and looked in the direction of the aurora.

As if controlled by some external force, the glowing wave that seemed to split the skies vertically suddenly started to move, spiraling like a vortex. And on the edges, the wave split out into tiny particles—specks of light that spun along with the vortex, revolving around the center of the vortex.

Even as Charlie stared, astounded, Vera exclaimed, "Those little specks look just like countless firef