English readers heard of it first in the issue of Nature dated August 2. I am inclined to think that this blaze may have been the casting of the huge gun, in the vast pit sunk into their planet, from which their shots were fired at us. Peculiar markings, as yet unexplained, were seen near the site of that outbreak during the next two oppositions. The storm burst upon us six years ago now. As Mars approached opposition, Lavelle of Java set the wires of the astronomical exchange palpitating with the amazing intelligence of a huge outbreak of incandescent gas upon the planet. It had occurred towards midnight of the twelfth; and the spectroscope, to which he had at once resorted, indicated a mass of flaming gas, chiefly hydrogen, moving with an enormous velocity towards this earth. This jet of fire had become invisible about a quarter past twelve. He compared it to a colossal puff of flame suddenly and violently squirted out of the planet, "as flaming gases rushed out of a gun."A singularly appropriate phrase it proved. Yet the next day there was
nothing of this in the papers except a little note in the _Daily
Telegraph_, and the world went in ignorance of one of the gravest
dangers that ever threatened the human race. I might not have heard of
the eruption at all had I not met Ogilvy, the well-known astronomer, at
Ottershaw. He was immensely excited at the news, and in the excess of
his feelings invited me up to take a turn with him that night in a
scrutiny of the red planet.

In spite of all that has happened since, I still remember that vigil
very distinctly: the black and silent observatory, the shadowed lantern
throwing a feeble glow upon the floor in the corner, the steady ticking
of the clockwork of the telescope, the little slit in the roof—an
oblong profundity with the stardust streaked across it. Ogilvy moved
about, invisible but audible. Looking through the telescope, one saw a
circle of deep blue and the little round planet swimming in the field.
It seemed such a little thing, so bright and small and still, faintly
marked with transverse stripes, and slightly flattened from the perfect
round. But so little it was, so silvery warm—a pin’s head of light! It
was as if it quivered, but really this was the telescope vibrating with
the activity of the clockwork that kept the planet in view.

As I watched, the planet seemed to grow larger and smaller and to
advance and recede, but that was simply that my eye was tired. Forty
millions of miles it was from us—more than forty millions of miles of
void. Few people realise the immensity of vacancy in which the dust of

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