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A Journey in Other Worlds

Jupiter
Jupiter--the magnificent planet with a diameter of 86,500 miles, having 119 times the
surface and 1,300 times the volume of the earth--lay beneath them.
They had often seen it in the terrestrial sky, emitting its strong, steady ray, and had
thought of that far-away planet, about which till recently so little had been known, and a
burning desire had possessed them to go to it and explore its mysteries. Now, thanks to
APERGY, the force whose existence the ancients suspected, but of which they knew so
little, all things were possible.
Ayrault manipulated the silk-covered glass handles, and the Callisto moved on slowly in
comparison with its recent speed, and all remained glued to their telescopes as they
peered through the rushing clouds, now forming and now dissolving before their eyes.
What transports of delight, what ecstatic bliss, was theirs! Men had discovered and
mastered the secret of apergy, and now, "little lower than the angels," they could soar
through space, leaving even planets and comets behind.
"Is it not strange," said Dr. Cortlandt, "that though it has been known for over a century
that bodies charged with unlike electricities attract one another, and those charged with
like repel, no one thought of utilizing the counterpart of gravitation? In the nineteenth
century, savants and Indian jugglers performed experiments with their disciples and
masses of inert matter, by causing them to remain without visible support at some
distance from the ground; and while many of these, of course, were quacks, some were
on the right track, though they did not push their research."
President Bearwarden and Ayrault assented. They were steering for an apparently hard
part of the planet's surface, about a degree and a half north of its equator.
"Since Jupiter's axis is almost at right angles to the plane of its orbit," said the doctor,
"being inclined only about one degree and a half, instead of twenty-three and a half, as
was the earth's till nearly so recently, it will be possible for us to have any climate we
wish, from constantly warm at the equator to constantly cool or cold as we approach the
poles, without being troubled by extremes of winter and summer."
Until the Callisto entered the planet's atmosphere, its five moons appeared like silver
shields against the black sky, but now things were looking more terrestrial, and they
began to feel at home. Bearwarden put down his note-book, and Ayrault returned a
photograph to his pocket, while all three gazed at their new abode. Beneath them was a
vast continent variegated by chains of lakes and rivers stretching away in all directions
except toward the equator, where lay a placid ocean as far as their telescopes could
pierce. To the eastward were towering and massive mountains, and along the southern
border of the continent smoking volcanoes, while toward the west they saw forests,
gently rolling plains, and table-lands that would have satisfied a poet or set an
agriculturist's heart at rest. "How I should like to mine those hills for copper, or drain the
 
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