An undoubted case of combustion lies before us.

Therefore, this part of the Moon _must_ have an atmosphere!" "Perhaps so," observed Barbican, "but not necessarily so.

The volcano, by decomposing certain substances, gunpowder for instance, may be able to furnish its own oxygen, and thus explode in a vacuum.

That blaze, in fact, seems to me to possess the intensity and the blinding glare of objects burning in pure oxygen.

Let us therefore be not over hasty in jumping at the conclusion of the existence of a lunar atmosphere." This fire mountain was situated, according to the most plausible conjecture, somewhere in the neighborhood of the 45th degree, south latitude, of the Moon's invisible side.