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Chapter X


Barbicane had evidently hit upon the only plausible reason
of this deviation.  However slight it might have been, it
had sufficed to modify the course of the projectile.  It was
a fatality.  The bold attempt had miscarried by a fortuitous
circumstance; and unless by some exceptional event, they could
now never reach the moon's disc.
Would they pass near enough to be able to solve certain physical
and geological questions until then insoluble?  This was the
question, and the only one, which occupied the minds of these
bold travelers.  As to the fate in store for themselves, they
did not even dream of it.
But what would become of them amid these infinite solitudes,
these who would soon want air?  A few more days, and they would
fall stifled in this wandering projectile.  But some days to
these intrepid fellows was a century; and they devoted all their
time to observe that moon which they no longer hoped to reach.
The distance which had then separated the projectile from the
satellite was estimated at about two hundred leagues.  Under these
conditions, as regards the visibility of the details of the disc,
the travelers were farther from the moon than are the inhabitants
of earth with their powerful telescopes.
Indeed, we know that the instrument mounted by Lord Rosse at
Parsonstown, which magnifies 6,500 times, brings the moon to
within an apparent distance of sixteen leagues.  And more than
that, with the powerful one set up at Long's Peak, the orb of
night, magnified 48,000 times, is brought to within less than
two leagues, and objects having a diameter of thirty feet are
seen very distinctly.  So that, at this distance, the
topographical details of the moon, observed without glasses,
could not be determined with precision.  The eye caught the vast
outline of those immense depressions inappropriately called
"seas," but they could not recognize their nature.  The prominence
of the mountains disappeared under the splendid irradiation
produced by the reflection of the solar rays.  The eye, dazzled
as if it was leaning over a bath of molten silver, turned from
it involuntarily; but the oblong form of the orb was quite clear.
It appeared like a gigantic egg, with the small end turned toward
the earth.  Indeed the moon, liquid and pliable in the first days
of its formation, was originally a perfect sphere; but being soon
drawn within the attraction of the earth, it became elongated
under the influence of gravitation.  In becoming a satellite,
she lost her native purity of form; her center of gravity was in
advance of the center of her figure; and from this fact some
savants draw the conclusion that the air and water had taken
refuge on the opposite surface of the moon, which is never seen
from the earth.  This alteration in the primitive form of the
satellite was only perceptible for a few moments.  The distance
of the projectile from the moon diminished very rapidly under
its speed, though that was much less than its initial velocity--
but eight or nine times greater than that which propels our
express trains.  The oblique course of the projectile, from its
very obliquity, gave Michel Ardan some hopes of striking the
lunar disc at some point or other.  He could not think that they
would never reach it.  No! he could not believe it; and this
opinion he often repeated.  But Barbicane, who was a better
judge, always answered him with merciless logic.
"No, Michel, no!  We can only reach the moon by a fall, and we
are not falling.  The centripetal force keeps us under the
moon's influence, but the centrifugal force draws us
irresistibly away from it."
This was said in a tone which quenched Michel Ardan's last hope.
The portion of the moon which the projectile was nearing was the
northern hemisphere, that which the selenographic maps place
below; for these maps are generally drawn after the outline
given by the glasses, and we know that they reverse the objects.
Such was the Mappa Selenographica of Boeer and Moedler which
Barbicane consulted.  This northern hemisphere presented vast
plains, dotted with isolated mountains.
At midnight the moon was full.  At that precise moment the
travelers should have alighted upon it, if the mischievous
meteor had not diverted their course.  The orb was exactly in
the condition determined by the Cambridge Observatory.  It was
mathematically at its perigee, and at the zenith of the
twenty-eighth parallel.  An observer placed at the bottom of the
enormous Columbiad, pointed perpendicularly to the horizon,
would have framed the moon in the mouth of the gun.  A straight
line drawn through the axis of the piece would have passed
through the center of the orb of night.  It is needless to say,
that during the night of the 5th-6th of December, the travelers
took not an instant's rest.  Could they close their eyes when so
near this new world?  No!  All their feelings were concentrated
in one single thought:-- See!  Representatives of the earth, of
humanity, past and present, all centered in them!  It is through
their eyes that the human race look at these lunar regions, and
penetrate the secrets of their satellite!  A strange emotion
filled their hearts as they went from one window to the other.
Their observations, reproduced by Barbicane, were rigidly determined.
To take them, they had glasses; to correct them, maps.
As regards the optical instruments at their disposal, they had
excellent marine glasses specially constructed for this journey.
They possessed magnifying powers of 100.  They would thus have
brought the moon to within a distance (apparent) of less than
2,000 leagues from the earth.  But then, at a distance which for
three hours in the morning did not exceed sixty-five miles, and
in a medium free from all atmospheric disturbances, these
instruments could reduce the lunar surface to within less than
1,500 yards!