The line separating both was broken into a thousand bits of protuberances and concavities, dented, notched, and jagged.
At six o'clock the travellers found themselves exactly over the north pole.

They were quietly gazing at the rapidly shifting features of the wondrous view unrolling itself beneath them, and were silently wondering what was to come next, when, suddenly, the Projectile passed the dividing line.

The Sun and Moon instantly vanished from view.

The next moment, without the slightest warning the travellers found themselves plunged in an ocean of the most appalling darkness!.