![月世界旅行: ジュール・ヴェルヌ [注釈付き] book cover](/_next/image?url=https%3A%2F%2Fd1y2du6z1jfm9e.cloudfront.net%2Fcovers%2Fmissing_feed_cover_20260710%2F65a54f76-153c-4f72-a3c7-d90be0abdf80%2Fimage_resized.webp&w=1024&q=75)
ジュール・ヴェルヌによる1865年の傑作は、フロリダからの打ち上げ、テキサスの管制センター、そして大西洋への着水など、NASAのアポロ計画を1世紀も早く予言していました。37,500ドルの価値を持つこのコレクターズ・アイテムは、何世代もの科学者たちにインスピレーションを与え、1979年以来、世界で2番目に多く翻訳された作品となりました。
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コロンビア大学卒業生がサンフランシスコで開発
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コロンビア大学卒業生がサンフランシスコで開発
"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."
"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."
"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."
"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."
"Reading used to feel like a chore. Now it’s just part of my lifestyle."
"Feels effortless compared to reading. I’ve finished 6 books this month already."
"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."
"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."
"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"
"It is great for me to learn something from the book without reading it."
"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."
"Makes me feel smarter every time before going to work"
"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."
"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."
"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."
"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."
"Reading used to feel like a chore. Now it’s just part of my lifestyle."
"Feels effortless compared to reading. I’ve finished 6 books this month already."
"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."
"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."
"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"
"It is great for me to learn something from the book without reading it."
"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."
"Makes me feel smarter every time before going to work"
"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."
"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."
"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."
"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."
"Reading used to feel like a chore. Now it’s just part of my lifestyle."
"Feels effortless compared to reading. I’ve finished 6 books this month already."
"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."
"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."
"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"
"It is great for me to learn something from the book without reading it."
"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."
"Makes me feel smarter every time before going to work"
月世界旅行の同じアイデアを、あなたに合う声・深さ・ペースで学べます。いつでも切り替えられます。
In the tumultuous aftermath of the American Civil War, a peculiar society emerged in Baltimore-the Gun Club, composed of artillery enthusiasts with a passion for ballistic innovation. While most Americans sought peace after years of bloodshed, these men found themselves adrift without cannons to fire or enemies to target. Their leader, the calculating and brilliant Impey Barbicane, shocked the world with an announcement that would capture humanity's imagination: he proposed to send a projectile to the moon. What began as a seemingly impossible dream quickly became America's most ambitious scientific endeavor, capturing global attention and financial support. Jules Verne's visionary tale, published in 1865, eerily foreshadowed NASA's Apollo program a century later. The novel became a cornerstone of science fiction literature, inspiring generations of scientists including rocket pioneer Robert Goddard, who credited it with sparking his interest in space travel. Even today, the story's blend of scientific accuracy, technical innovation, and human ambition continues to resonate with readers seeking the perfect marriage of imagination and possibility.
During America's Federal War, Baltimore's Gun Club established itself as the preeminent society for artillery enthusiasts. These weren't ordinary weapon collectors but battle-hardened veterans who had revolutionized ballistic science. With 1,833 effective members and over 30,000 corresponding associates nationwide, the club represented America's superiority in artillery innovation. Its members bore the physical evidence of their dangerous passion-mechanical limbs, prosthetic jaws, and other battle scars that marked them as survivors of their own deadly creations. The club's meetings had once buzzed with excitement as members discussed weapons capable of extraordinary destruction, like Rodman's half-ton projectile that could eliminate 150 horses and 300 men from seven miles away. But peacetime brought an existential crisis. The once-vibrant clubhouse, with its pillars fashioned from stacked cannons and chandeliers made of revolvers, fell silent. Members like Tom Hunter, Bilsby, Colonel Blomsberry, and the passionate J.T. Maston-who had lost his right arm and replaced part of his skull with a gutta-percha plate-found themselves without purpose. Their discussions about potential conflicts that might reignite their passion led nowhere. Spanish wars seemed too minor, European conflicts too distant, and Asian disputes too foreign to inspire American artillery innovation. Just as the club faced dissolution, members received an unexpected circular from President Barbicane, summoning them to an important meeting that would change their lives-and potentially human history. The announcement electrified the membership. What could their president have conceived that warranted such urgency? When they gathered in their grand hall-a veritable museum of weaponry with bronze specimens, projectile displays, and trophies adorning every surface-they found Barbicane prepared to reveal a plan so audacious it would soon capture the imagination of an entire nation.
『月世界旅行』の一語一語が音声に合わせてリアルタイムでハイライトされ、自然に読み進められます。
President Barbicane stood before the packed assembly, his forty-year-old frame projecting the calm precision of a chronometer. Seated on a chair mounted atop a 32-inch mortar carriage, he addressed his fellow artillery enthusiasts with characteristic directness. After lamenting their "unfruitful peace," he unveiled his revolutionary proposal: to send a cannonball to the moon. The audacity of this announcement sent shockwaves through the room. Previous attempts at lunar communication had been relegated to fiction or dismissed as scientific fantasy. Yet Barbicane's meticulous calculations suggested that a projectile fired at 12,000 yards per second could indeed reach our satellite, transforming centuries of astronomical observation into direct exploration. The crowd erupted in thunderous applause, and within days, Barbicane's proposal ignited unprecedented enthusiasm across America. Unlike in Europe, where such an idea might have faced ridicule, Americans embraced it without hesitation. Scientific societies from Boston to Washington sent congratulatory letters with offers of assistance and funding. Barbicane became "the Washington of science," a visionary whose ambition perfectly matched the nation's post-war hunger for achievement. The project's popularity reached such heights that when an English theater company announced a performance of "Much Ado About Nothing" in Baltimore, citizens interpreted the title as mockery of Barbicane's endeavor. They stormed the theater, broke seats, and forced the manager to substitute "As You Like It," which then enjoyed tremendous success for weeks. Barbicane wasted no time amid his newfound fame. He gathered his Gun Club colleagues to consult astronomers about their enterprise, drafting precise questions to the prestigious Cambridge Observatory in Massachusetts. After two days, Director J.M. Belfast confirmed the project's theoretical feasibility, providing exact calculations for distance (the moon's perigee being 218,657 miles from Earth), transit duration (97 hours, 13 minutes), and optimal timing (December 4th at midnight, when the moon would be simultaneously at perigee and zenith). The Observatory specified that the cannon must be placed between 0 and 28 latitude, aimed at the zenith, and the projectile fired on December 1st with precise initial velocity. This perfect alignment of conditions wouldn't recur for over eighteen years, giving the project both a deadline and a sense of cosmic destiny.
The moon has captivated humanity since our earliest civilizations. Ancient Egyptians called her Isis, Phoenicians Astarte, and Greeks Phoebe. Though mythologically significant, ancient selenography-the study of lunar features-remained limited until astronomers like Thales recognized that moonlight was reflected sunlight, Aristarchus explained its phases, and Hipparchus discovered irregularities in its movements. As astronomical knowledge advanced, Ptolemy and Aboul Wefa completed Hipparchus's observations on lunar inequalities. Copernicus and Tycho Brahe fully exposed the moon's place among celestial bodies. When Galileo identified mountains on the lunar surface, subsequent astronomers debated their heights until Boeer and Moedler definitively measured 1,905 elevations, the highest reaching 22,606 feet. The moon's volcanic nature, absence of atmosphere and water were confirmed through careful observation, suggesting any Selenites-hypothetical moon inhabitants-would require special adaptations to survive. Despite her modest size-2,150 miles in diameter-astronomers had mapped her entire surface, identifying curious furrows and parallel ramparts that Americans now hoped to investigate through direct communication. Barbicane's proposal triggered astronomical fever across America. The moon suddenly became the nation's obsession-newspapers revived old legends, scientific journals analyzed Cambridge Observatory's letter, and even the most ignorant Yankees found themselves flooded with lunar knowledge. Americans learned how the moon's distance was calculated through parallax-averaging 234,347 miles with remarkable precision. They discovered her dual movements: rotation on axis and revolution around Earth, both completed in 2713 days, creating a single day-night cycle of 35413 hours per lunar month. Her peculiar rotation keeps one face perpetually toward Earth, though slight libration reveals about 57% of her disc over time. The public came to understand lunar phases-full moon during opposition with Earth between moon and sun, new moon during conjunction when positioned between Earth and sun. They grasped that eclipses occur only during these alignments and why they don't happen monthly. Scientific education dispelled numerous misconceptions: the moon was not a captured comet, would not eventually crash into Earth (Laplace's calculations showed acceleration was within narrow limits), and did not influence human destinies or natural disasters as superstition claimed. Despite losing some mystique, most Americans enthusiastically supported the mission to claim this "new continent of the sky" and plant the star-spangled banner on lunar soil-a symbolic conquest that would cement America's technological superiority in the post-war era.
The Gun Club's committee faced unprecedented engineering challenges. J.T. Maston's passionate oration elevated the cannonball to divine status, proclaiming it "the most brilliant manifestation of human power" through which man approaches the Creator. He compared its speed favorably against electricity, light, stars, and wind, noting that even a simple 24-pounder moves at 14 miles per minute-840 miles per hour. With twenty times that speed, reaching 7 miles per second, their projectile could reach the moon in just 11 days. After this poetic flourish, Barbicane steered the discussion to practical matters. The committee established that the maximum speed achieved thus far was 800 yards per second from the Rodman Columbiad. For their projectile, they settled on a nine-foot diameter to ensure visibility from Earth telescopes. After rejecting cast-iron as too heavy and brass as unsuitable, they chose aluminum-three times lighter than iron with "the whiteness of silver, indestructibility of gold, and tenacity of iron." Though expensive at nine dollars per pound, the hollow aluminum projectile weighing 20,000 pounds seemed worth its $173,050 cost. For the cannon itself, Barbicane specified six-foot-thick sides and proposed casting the engine directly in the ground, reinforced with wrought-iron hoops and surrounded by stone and cement masonry. The committee debated the weapon's form, with Morgan favoring a cannon, Major Elphinstone supporting a howitzer, and J.T. Maston advocating for a mortar. Barbicane resolved the dispute by designing a hybrid "Columbiad" combining all three forms-with a chamber diameter matching the powder magazine like a cannon, hurling an obus like a howitzer, and pointed at a 90 angle like a mortar. They selected cast-iron over bronze due to its cost (ten times cheaper) and ease of manipulation. J.T. Maston calculated the cannon would weigh 68,040 tons and cost $2,510,701. Despite the enormous figure, Barbicane confidently assured the committee they would not want for money-a promise he would soon fulfill through unprecedented international fundraising. For propellant, conventional wisdom suggested using powder weighing two-thirds of the projectile's weight, but this ratio decreased with larger weapons. After debating powder types, they agreed on a large-grained powder similar to Rodman's willow charcoal formula. When discussing quantity, proposals ranged from 200,000 to 800,000 pounds until Barbicane stunned them by suggesting 1,600,000 pounds. The solution to fitting this massive charge came through pyroxyle (nitric cotton), which offered four times the power of conventional gunpowder in a quarter of the space.
While America rallied behind Barbicane's lunar ambition, one man stood in determined opposition-Captain Nicholl of Philadelphia. This proud scientist had a longstanding rivalry with Barbicane that began during the war. While Barbicane cast projectiles designed to penetrate any defense, Nicholl forged armor plating to resist them. Their technical battle became deeply personal, with each dreaming of defeating the other's creations. Though separated by distance and prevented from direct confrontation by friends, their rivalry continued through professional achievements. Nicholl's armor plates initially resisted Barbicane's conical shots, but when Barbicane switched to 600-pound howitzers, the tide turned. After the war ended, Nicholl challenged Barbicane to pierce his masterpiece armor plate, but Barbicane refused, even when Nicholl offered increasingly favorable terms. Infuriated by Barbicane's Columbiad announcement, Nicholl attacked the project through newspapers, attempting to disprove its calculations and warning of dangers. When his arguments went unheeded, he proposed a series of escalating bets totaling $15,000 that the project would fail at various stages. Barbicane's response was simply: "Done." This rivalry would take an unexpected turn when Michel Ardan-a flamboyant Frenchman-entered the picture. During a public debate where Nicholl systematically challenged every aspect of the mission, from launch impact to return journey, Ardan responded with confidence to each concern. When Nicholl accused Barbicane of orchestrating a "mad enterprise," the confrontation nearly turned violent. The men arranged a secret duel at Skersnaw Wood, but fate had other plans. When Ardan and J.T. Maston rushed to prevent the duel, they found Captain Nicholl gently freeing a small bird trapped in a venomous spider's web-revealing a compassionate side beneath his scientific rigor. Barbicane, meanwhile, was absorbed in calculations about counteracting the projectile's departure shock. Seizing this opportunity, Ardan made an audacious proposition: instead of killing each other, both rivals should journey together to the moon in Barbicane's projectile. To everyone's surprise, both men immediately accepted with a simultaneous "Accepted!"-transforming their deadly feud into a historic partnership that would combine Barbicane's visionary drive with Nicholl's meticulous attention to safety and detail.
『月世界旅行』の一語一語が音声に合わせてリアルタイムでハイライトされ、自然に読み進められます。
The selection of the launch site sparked intense competition between Florida and Texas. While Texas boasted eleven qualifying towns, Florida had only one-Tampa Town. Barbicane's decision to choose Florida for its single viable location enraged Texans, who were forcibly removed from Baltimore by special train. As a parting shot, they mocked Florida's narrow peninsula, claiming it would be blown up by the cannon's first firing. The Floridians laconically responded, "Very well! let it be blown up!" With technical obstacles overcome, financing became the next challenge. President Barbicane decided to make the project a global endeavor, opening worldwide subscriptions. The response was enthusiastic, with observatories across the world sending congratulations, though Greenwich Observatory sided with Captain Nicholl in denying the possibility of success. The final tally reached an impressive 5,446,675 dollars-4,000,000 from the United States and 1,446,675 from foreign subscriptions. After selecting a rocky plain called Stony Hill-1,800 feet above sea level at latitude 277' and longitude 57' west of Washington-Barbicane returned to Tampa Town while Murchison sailed to New Orleans, returning eight days later with 1,500 well-paid workers. The influx doubled Tampa Town's population and stimulated its economy through both direct employment and tourism. Construction proceeded with American efficiency-a fifteen-mile railway quickly connected Tampa Town to Stony Hill, and workers' housing sprouted around the site. The ingenious construction method involved digging progressively deeper while simultaneously building masonry walls that sank with an oak wheel foundation. Despite dangerous conditions claiming several lives, work advanced steadily-112 feet the first month, doubled in December, tripled by January. They overcame groundwater issues in February and a partial collapse that killed several workers. By June 10th, twenty days ahead of schedule, the fully-bricked 900-foot well was complete. Casting preparations advanced simultaneously with remarkable speed. Six hundred yards from the well, 1,200 furnaces formed a two-mile circle, each six feet wide and three yards apart. The 60,000 tons of cast-iron arrived via a fleet of sixty-eight vessels, then by rail to Stony Hill. On casting day, with the furnaces charged and flames pouring forth, the heat became unbearable. At precisely twelve o'clock, a cannon shot signaled the operation's start. Twelve hundred tapping-holes opened simultaneously, sending fiery streams flowing toward the central well. The ground trembled as these waves of molten iron plunged 900 feet down with terrific noise, creating artificial clouds that rose 3,000 feet into the air-a spectacle worthy of a volcano, yet entirely man-made.
Just when the project seemed complete, an extraordinary development electrified the public. On September 30th, Barbicane received a telegram from Paris: "Substitute a cylindro-conical projectile for your spherical shell. Shall go inside. Shall arrive by steamer Atlanta. Michel Ardan." This unexpected message transformed the mission from a scientific experiment to a manned expedition. As news spread, Tampa Town buzzed with speculation about this mysterious Frenchman. Though initially dismissed as "humbug," the proposition stirred genuine curiosity. When the Atlanta finally docked on October 20th, Barbicane confronted a remarkable forty-two-year-old man with red hair, feline features, and boundless energy. This was Michel Ardan-artist, Bohemian, risk-taker-whose motto was "Whatever it may cost!" and whose passion was the impossible. Despite his collection of enemies, he was generally beloved for his chivalric, disinterested nature. When questioned about his determination to travel inside the projectile to the moon, Ardan confirmed his resolve without hesitation. The next day, Ardan addressed an enormous crowd gathered outside Tampa Town. Speaking with casual confidence, he presented space travel as the natural progression of human locomotion-from walking on all fours to coaches to railways, and now projectiles. To counter concerns about speed, he cited the much faster velocities of planets in their orbits. Ardan boldly declared that distance itself was merely relative and would eventually be reduced to zero. He compared the journey to the moon-merely 86,410 leagues taking just 98 hours-to the vastly greater distances to Neptune or the stars. When questioned about whether celestial bodies were inhabited, Ardan argued that nothing in nature exists without purpose, and countered objections about extreme temperatures by suggesting that nature provides countless examples of creatures thriving in seemingly impossible conditions. His eloquence and optimism captivated the crowd, especially when he described Jupiter's superior living conditions with its perpetual climate zones. Ardan's intervention ultimately transformed the mission in multiple ways. He requested modifications to the original round projectile design, preferring to travel "head up and feet down with dignity" rather than "squirrel-fashion." The magnificent aluminum projectile, cast on November 2nd and delivered to Stony Hill by November 10th, sparkled impressively in the sunlight, resembling a medieval tower.
With the Columbiad complete and the projectile redesigned, the final preparations began. Barbicane's ingenious shock-absorption system used water with horizontal partitions to create a spring effect when broken sequentially during launch. The projectile's interior featured thick leather wadding on steel springs, four lenticular windows for observation, and compartments for provisions. To solve the air problem, they employed Reiset and Regnault's method using chlorate of potash to produce oxygen and caustic potash to absorb carbon dioxide. On November 22nd, with just ten days before launch, the Gun Club faced their most dangerous task: loading 400,000 pounds of guncotton into the Columbiad. To minimize risk, Barbicane had the explosive divided into 800 cartridges of 500 pounds each, delivered separately to Stony Hill. Workers in bare feet placed these cartridges into the cannon at night, using Ruhmkorff apparatus for illumination. The charges were connected by wire to an electric trigger system extending two miles from the site. Meanwhile, the projectile was stocked with essential scientific instruments, Boeer and Moedler's detailed lunar map, weapons for protection, tools, and two dogs. They included tree saplings, compressed provisions for a year, and water for two months-believing the moon contained its own water supply. The enormous projectile was carefully suspended by chains over the metal well, then successfully lowered onto its guncotton bed without incident. On December 1st, the fateful launch day arrived-the only day when the moon would present the perfect conditions of zenith and perigee for the next eighteen years. The weather was magnificent, and an unprecedented crowd of five million spectators gathered on the Florida prairie around Stony Hill. A temporary settlement dubbed "Ardan's Town" had sprung up, with tents, huts and cabins housing visitors from every nation and social class. At seven o'clock, when the moon rose above the horizon, millions of voices cheered her appearance. The three travelers-Barbicane, Nicholl, and Ardan-entered the enclosure to thunderous applause and a spontaneous rendition of "Yankee Doodle" from five million throats. As ten o'clock approached, the travelers took their positions inside the projectile. After emotional farewells, particularly between J.T. Maston and Barbicane, the door was sealed. Engineer Murchison watched his chronometer, counting down the final seconds as the crowd held its breath. At precisely the fortieth second, he pressed the electric button, sending a spark into the Columbiad. The resulting explosion was superhuman-a massive spout of fire erupted from the earth, the ground heaved violently, and the projectile vanished into the flaming smoke.
The colossal discharge illuminated all of Florida, turning night to day across hundreds of miles. Ship captains noted the meteor-like phenomenon in their logbooks. The earthquake-like effects knocked every spectator off their feet, with J.T. Maston hurled twenty yards backward. Three hundred thousand people were temporarily deafened, and the atmospheric current devastated everything within twenty miles-uprooting trees, derailing trains, destroying a hundred Tampa buildings, and sinking or stranding ships in the harbor. As the stunned crowd recovered, millions of spectators searched the sky for the projectile, but it was nowhere to be seen. Unfortunately, the weather suddenly changed-the atmospheric disruption from the massive gunpowder discharge created thick cloud cover that extended to the Rocky Mountains, preventing any astronomical observations. Day after day, the clouds persisted: the 5th, 6th, 7th, 8th, 9th, and 10th of December all passed without a glimpse of the moon. Public impatience grew desperate as the critical observation window narrowed-after the 11th, the moon would enter her last quarter and become increasingly difficult to observe until January 3rd. Finally, on the evening of the 11th, a tropical tempest swept away the clouds, and the half-disc of the moon appeared majestically among the stars. The news burst like a thunderbolt across the globe-the projectile had been detected by Long's Peak Observatory! Director J. Belfast's official notice revealed the astonishing truth: the projectile had missed its lunar landing but was now trapped in the moon's gravitational pull, becoming an artificial satellite orbiting approximately 2,833 miles above the lunar surface. Two possibilities existed: either lunar attraction would eventually pull the travelers to their destination, or the projectile would remain in perpetual orbit around the moon. Whatever the outcome, the Gun Club's experiment had achieved the remarkable feat of adding a new star to our solar system. This unexpected development sparked intense scientific discussion. Though they hadn't reached their intended goal, Barbicane, Nicholl, and Ardan had become part of the lunar world, the first humans to penetrate its mysteries. Their names would be immortalized in astronomical history for their audacious journey. The public wondered if rescue was possible, but clearly these men had ventured beyond humanity's reach. With only two months of air and one year of provisions, their fate seemed sealed. Yet one man refused to abandon hope-J.T. Maston, who established permanent residence at Long's Peak Observatory. Watching the moon's every movement through the telescope, he maintained unwavering faith in his friends' ingenuity. "We will correspond with them," he insisted to anyone who would listen, convinced that these resourceful men would ultimately "get out of the difficulty." The story ends with this tantalizing uncertainty-have these pioneers perished in their daring attempt, or will their ingenuity find a way to survive or even return? Their journey, regardless of outcome, had forever changed humanity's relationship with the cosmos, transforming what was once impossible into merely difficult, and opening the door to future exploration that would eventually see humans not just orbiting, but walking on the lunar surface.
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