What is Rendezvous with Rama about?

Rendezvous with Rama by Arthur C. Clarke is a science fiction novel about humanity's first encounter with an alien spacecraft in 2131. When a massive cylindrical object fifty kilometers long enters the solar system, Commander Bill Norton and the crew of Endeavour are dispatched to explore its mysterious interior. The novel follows their investigation of Rama's vast, self-contained world filled with cities, seas, and enigmatic technologies.

Who should read Rendezvous with Rama?

Rendezvous with Rama is ideal for science fiction enthusiasts who appreciate hard sci-fi focused on exploration and discovery rather than action. Readers fascinated by first contact scenarios, alien archaeology, and technological mysteries will find this Arthur C. Clarke novel compelling. The book also appeals to those who enjoy thought-provoking narratives that prioritize wonder and scientific speculation over character-driven plots.

Is Rendezvous with Rama worth reading?

Rendezvous with Rama remains a landmark work in science fiction that revolutionized the genre's approach to alien contact narratives. Arthur C. Clarke's meticulous world-building and sense of cosmic mystery create an unforgettable reading experience. While the novel prioritizes exploration over character development, its innovative concepts and atmospheric tension make it essential reading for anyone interested in classic science fiction.

Who is Arthur C. Clarke and what inspired Rendezvous with Rama?

Arthur C. Clarke was a British science fiction author and futurist known for works like 2001: A Space Odyssey. Rendezvous with Rama draws from Clarke's fascination with the possibility of ancient alien civilizations passing through our solar system. The novel reflects his interest in hard science fiction, emphasizing realistic space exploration and the profound implications of encountering technology vastly beyond human understanding.

What is the spacecraft Rama in Rendezvous with Rama?

Rama is a massive alien cylindrical spacecraft measuring fifty kilometers long and twenty kilometers in diameter that enters Earth's solar system in 2131. The perfectly geometric cylinder contains a self-sustaining interior world with artificial cities, a cylindrical sea, and mysterious technologies. Initially thought to be a derelict ship millions of years old, Rama proves to be a functional vessel following its own unknowable mission.

What are biots in Rendezvous with Rama by Arthur C. Clarke?

Biots are biological robots that emerge inside Rama as the spacecraft warms up near the sun. These highly specialized creatures appear to be built from organic material and perform various maintenance functions like surveillance and scavenging. The biots include crab-like creatures, shark-like beings, and three-legged entities with tentacles and blue eyes, each designed for specific tasks within Rama's ecosystem.

What does "Ramans do everything in threes" mean in Rendezvous with Rama?

"Ramans do everything in threes" is a crucial observation made by Commander Norton that becomes the novel's key insight. This design pattern appears throughout Rama's architecture—three airlocks, three stairways, and various systems built in triplicates. The phrase takes on deeper significance at the novel's conclusion, suggesting that Rama may be the first of three similar vessels visiting humanity's solar system.

How does Rendezvous with Rama end?

Rendezvous with Rama concludes as the spacecraft appears to plunge toward the sun but instead uses solar energy to accelerate and exit the solar system toward the Large Magellanic Cloud. The crew evacuates just before perihelion, watching biots throw themselves into the Cylindrical Sea as Rama's linear suns dim. Commander Norton becomes a celebrated hero but remains haunted by unanswered questions about the Ramans' purpose and whether humanity failed to understand their visit.

宇宙のランデヴー

アーサー・C・クラーク

4.12(187332 Reviews)

『宇宙のランデヴー』の概要

クラークの数々の賞に輝く傑作であり、主要なSF賞を総なめにした巨大な異星の円筒が太陽系に侵入します。この謎めいた宇宙船の中には、どのような秘密が隠されているのでしょうか？なぜこの画期的な小説が50年もの間読者を魅了し続け、あの有名な最後の一行について考えさせ続けているのか、その理由を確かめてください。

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第1章

The Cosmic Visitor That Changed Everything

Arthur C. Clarke's masterpiece continues to captivate readers decades after its publication, with its blend of hard science and philosophical wonder. When Stephen Hawking listed his favorite science fiction works, "Rendezvous with Rama" earned a prominent place. The novel won both the Hugo and Nebula awards upon release and has influenced countless science fiction works since-from Denis Villeneuve's "Arrival" to Christopher Nolan's "Interstellar." Its portrayal of first contact through the lens of scientific exploration rather than conflict was revolutionary, challenging the alien invasion tropes that dominated the genre. Clarke's meticulous attention to scientific plausibility created a work that continues to feel fresh and relevant in our age of interstellar probes and renewed space exploration.

第2章

When Disaster Strikes: The Birth of Spaceguard

The devastating meteorite impact of 2077 that obliterated northern Italian cities and claimed 600,000 lives marked a turning point in human history. The impact crater, stretching 3.2 kilometers wide and centered near Milan, created a humanitarian crisis unprecedented in modern Europe. After centuries of near misses and smaller impacts - like the Tunguska event in 1908 that flattened 2,000 square kilometers of Siberian forest but miraculously killed no one - humanity finally understood the existential threat posed by near-Earth objects. The Chelyabinsk meteor incident of 2013 and the Puerto Rico impact of 2056 had served as warning shots, but it took the Italian catastrophe to galvanize global action. Project SPACEGUARD emerged from this tragedy, uniting Earth's nations in a common purpose: to detect and track any object that might threaten our planet. The initiative deployed an unprecedented array of defensive measures: radar installations on Mars, automated tracking systems in cislunar space, and a complex network of observatories that formed a protective web around Earth. The Chinese-European collaborative station on Phobos housed the most powerful radar system ever built, capable of detecting objects as small as 10 meters across at the orbit of Jupiter. By 2130, the system had matured into a sophisticated detection network identifying approximately twelve new asteroids daily, with artificial intelligence systems calculating their trajectories centuries into the future. The project's quantum computers diligently calculated orbital information for over half a million tracked objects, most being inconsequential rocks beyond Mars. This global collaboration represented one of humanity's greatest achievements - a planetary defense system that transcended political boundaries and united former adversaries in common cause. The system incorporated multiple redundancies, including a network of interceptor vessels stationed at Earth-Moon Lagrange points, ready to deflect any identified threats. Little did anyone suspect that SPACEGUARD's most significant discovery would not be a threat to Earth, but rather our first encounter with something far beyond our understanding. When Object 31/439 appeared on the screens of Mars-based radar operators, it initially seemed like just another asteroid. But its unusual characteristics - detected at unprecedented distance, estimated at forty kilometers in diameter, and following a hyperbolic rather than elliptical orbit - quickly captured scientific attention. This wasn't a solar system native; it was passing through at over 100,000 kilometers per hour on what appeared to be a one-time visit. When Dr. William Stenton discovered it rotated every four minutes - an impossibly fast spin for a natural object of that size - the scientific community realized they were witnessing something extraordinary. The object's perfect cylindrical shape and consistent albedo readings defied all known models of asteroid formation, launching humanity into a new era of discovery.

聴きながら、すべての言葉を目で追えます

『宇宙のランデヴー』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。

第3章

The Perfect Cylinder: First Glimpse of an Alien Artifact

The images from space probe Sita transfixed humanity. There on screens across the solar system appeared a geometrically perfect cylinder, fifty kilometers long and twenty across - unmistakably artificial. The perfect symmetry and smooth, featureless surface broken only by a single kilometer-wide stain where something had apparently impacted it long ago left no doubt: mankind was about to receive its first visitor from the stars. Initial spectroscopic analysis revealed a metallic composition unlike anything in humanity's material science database, with unique reflective properties that made the cylinder shimmer with an otherworldly iridescence. The Space Advisory Council's emergency meeting to decide whether to investigate Rama revealed the political tensions that would shadow the mission. Conservative Chairman Professor Davidson opposed the expedition, preferring to fund his own astronomical projects focused on deep-space radio astronomy. The debate raged for three days, with factions forming between those who saw the object as an unprecedented opportunity and others who viewed it as a potential threat. Yet the historic importance of the discovery prevailed, and by narrow margin - just two votes - the Council voted to redirect a probe to intercept the mysterious object. The decision required sacrificing several long-planned missions, causing bitter resentment among some scientific teams. The cylindrical visitor was named "Rama" after the Hindu god, following the tradition of naming significant astronomical discoveries after deities. This choice sparked fascinating discussions about humanity's mythological interpretation of the unknown. The rechristened probe Sita - named for Rama's wife in Hindu mythology - made its high-speed flyby, releasing camera pods to photograph all sides of the massive structure. Measurements confirmed Rama was hollow, raising even more questions about its purpose and creators. The vessel's perfect trajectory through the solar system suggested deliberate navigation rather than random drift, though its origin point remained frustratingly unclear. As Commander Norton's ship Endeavour approached Rama, the sheer scale of the artifact became overwhelming. Though Jupiter's moon Callisto was slightly larger, Rama's artificial nature - weighing at least ten trillion tons - made it far more intimidating. The perfect cylinder rotated every four minutes, creating artificial gravity inside through centrifugal force. Initial calculations suggested this rotation had remained constant for centuries, possibly millennia, defying normal laws of entropy. Norton positioned his ship above Rama's North Pole, where mysterious structures cast moving shadows as the cylinder rotated beneath them. These structures appeared to be arranged in concentric circles, suggesting some kind of access point or control center. The crew observed what seemed to be deliberate patterns in the placement of these features, hinting at mathematical relationships that Earth's best computers struggled to decode.

第4章

Into the Unknown: Humanity's First Steps Inside Rama

"Rama Base. Endeavour has landed." With these historic words, Commander Norton established humanity's first presence on an alien artifact. The landing site near Rama's North Pole provided a natural mooring between pillbox-shaped structures. Norton felt the weight of responsibility-his was the only ship that could intercept Rama before it swung around the sun and back to the stars. With just three weeks before they'd need to separate to avoid getting too close to the sun, every moment was precious. After twenty-four hours of monitoring the eerily silent Rama, Norton and Lieutenant-Commander Karl Mercer conducted the first EVA. Their discovery of a wheel-like mechanism embedded in one of the pillbox structures led to the first entrance into the alien vessel. The wheel slid out smoothly despite its presumed ancient age, rotating in only one direction. As they turned it, the pillbox wall opened like a clamshell, releasing a wisp of escaping air-the first breath of Rama's atmosphere. Norton's solo journey through the final airlock into Rama's interior paralleled Howard Carter's discovery of Tutankhamun's tomb, but on a scale thousands of times larger. Drifting into total darkness at the end of his safety line, he found himself at the highest point of an inside-out world. When he launched a flare, the momentary illumination revealed a stunning landscape: the cylinder's interior surface was mottled with what might be forests, fields, or towns, crisscrossed by geometric networks resembling highways or canals. In the distance, a dark band encircled the entire interior-a cylindrical sea that defied Earth-based physics. Norton realized he was witnessing a world where "down" was outward toward the spinning cylinder's walls, where centrifugal force created artificial gravity. As the flare died, these images remained forever burned in his mind-humanity's first glimpse of an alien civilization.

『宇宙のランデヴー』をもっと深く楽しむ

毎日の新しい気づきを10万件以上のレッスンから
言葉をハイライトして音声と同期
ライブラリを保存して、どの端末からでも利用

第5章

The Inside-Out World: Mapping Rama's Interior

The exploration team systematically mapped Rama's interior using long-delay flares launched down its axis. The cavity measured fifty kilometers long by sixteen wide, with bowl-shaped ends they designated as hemispheres. The Northern Hemisphere, where they established their base, featured three kilometer-long ladders radiating 120 degrees apart, each ending at a circular terrace. From there, three enormous stairways (Alpha, Beta, Gamma) descended to the plain below, interrupted by five circular terraces and containing an estimated twenty to thirty thousand steps. The Southern Hemisphere differed dramatically, featuring a huge central spike with six smaller ones around it. Between the hemispheres stretched the "Central Plain"-the cylindrical main section bisected by a ten-kilometer-wide dark band they named the "Cylindrical Sea." Within this sea lay a large oval island covered with tall structures reminiscent of Manhattan, which they dubbed "New York." The team also identified six town-like settlements they named after Earth cities, connected by highways and what appeared to be a rail system. Commander Norton selected a three-man team for the initial descent into Rama's interior. Lieutenant-Commander Karl Mercer led the mission, accompanied by Lieutenant Joe Calvert and Technical Sergeant Willard Myron. Moving hand-over-hand down one of the three ladder tracks, they experienced the gradual increase of artificial gravity created by Rama's spin. By the five-hundredth rung, Mercer estimated his apparent weight at about five kilos. The team reached the first platform about ten meters wide, discovering that the Coriolis force-the apparent deflection of moving objects caused by the rotation of a reference frame-made movement unexpectedly tricky. Sliding down the handrails proved the most effective way to descend further. When they tested the air, they found it musty but nearly breathable at 300 millibars-about 30% of Earth's atmospheric pressure. Though they had traversed less than an eighth of the enormous stairway, they had confirmed that Rama's environment might potentially support human exploration.

第6章

The Stairway of the Gods: Descending to Rama's Plain

Norton and his companions descended the massive stairway, their searchlight creating an island of brightness in Rama's darkness. After an uneventful journey down, they reached the fifth level where gravity approached half Earth-normal. The stairway's gradient had flattened from its initial steep 5:1 to a more manageable 2:5 ratio. The scale of Rama's interior architecture evoked the same awe Norton had experienced at Aztec ruins, but magnified a hundredfold. Despite being potentially millions of years old, everything looked new, suggesting these were emergency systems rarely used. At the stairway's end, they reached the flat plain and reported back to the ship. When pressed for more descriptive commentary for eager news services back home, Norton noted the freezing temperature, absolute silence, and how sounds were swallowed without echoes. Lieutenant Calvert suggested this was humanity's first experience breathing another world's atmosphere, speculating the Ramans were oxygen-breathers possibly 50% taller than humans based on the stairway dimensions. Walking on the horizontal surface after the endless stairs felt luxurious. The explorers could barely detect the cylinder's curvature at the edges of their floodlit area, making it seem like they were in a wide, shallow valley rather than inside a massive cylinder. Despite their excitement, Rama's profound silence weighed on them-a quiet so absolute it seemed to demand reverence. They continued toward "Paris," one of the mysterious settlements, planning a detour to examine the "Straight Valley"-a trench forty meters deep and a hundred wide that resembled an irrigation canal. When Norton rappelled down to investigate, he found the bottom covered with translucent material resembling ice but with much higher friction. Despite its canal-like appearance, it lacked sediment or stains, appearing pristinely new despite its presumed ancient age.

聴きながら、すべての言葉を目で追えます

『宇宙のランデヴー』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。

第7章

Dawn Breaks in Rama: The Awakening

After weeks of methodical exploration in Rama's perpetual darkness, illuminated only by the explorers' artificial lights and helmet beams, a dramatic transformation began that would forever alter their understanding of this alien vessel. The Cylindrical Sea, a massive band of frozen water that encircled the entire interior, began breaking up with thunderous reports that echoed through the vast chamber. As solar heat gradually penetrated Rama's metallic hull, the ice started fracturing - first in hairline cracks, then in massive fissures that spider-webbed across the surface. The ice, thawing from beneath due to some hidden heating mechanism, collapsed in spectacular fashion with enormous tilting slabs and explosive geysers of foaming water. Winter was ending in Rama's artificial world, following patterns programmed eons ago by its mysterious creators. Commander Norton, recognizing the potential danger, ordered an immediate evacuation, leading his team up the daunting ten-thousand-step stairway toward the hub. Each team member moved with deliberate precision, carefully timing their steps in the tricky 0.2g environment. Too much speed could send them bouncing dangerously high in the reduced gravity, while fatigue from sustained climbing could prove equally hazardous. Norton found himself counting the rungs as they ascended, his mind dwelling on their hasty retreat and harboring hope they might return once the atmospheric disturbance passed. He had just reached the twelve-hundred-fiftieth rung - barely an eighth of the way up - when, without warning, a soundless concussion of light flooded the entire cylinder as dawn suddenly broke. The overwhelming brilliance forced Norton to keep his eyes tightly shut for a full minute, spots dancing behind his closed eyelids. When he finally risked looking, the awesome spectacle of fully illuminated Rama stretched before him in all its alien grandeur. The initial panic subsided as Norton, drawing on his commander's training, methodically established reference systems to comprehend the vast space surrounding him. First, he imagined himself at the bottom of a gigantic well, then reframed it as a tunnel with a towering cliff face. The most unsettling feature remained the Cylindrical Sea, appearing as a vertical band of water that seemed to defy physics, with no visible means of support - a ribbon of liquid wrapped around the interior of their cylindrical world. From his precarious perch, Norton marveled at the immense stairway descending to the distant plain below - a structure that rivaled the Himalayas in height but existed in a context that made traditional measurement almost meaningless. The other stairways, designated Beta and Gamma, curved impossibly overhead, creating perspectives that challenged human spatial perception. Through the crystalline air, Norton observed mist rising from the newly thawed Sea, the vapor tilting sharply in the direction of Rama's rotation before dissolving in complex turbulent patterns. The Trade Winds of this cylindrical world were beginning to establish themselves as temperature differentials created atmospheric circulation - the first tropical storm in perhaps millions of years was about to break in this ancient ark.

第8章

Life in Rama: Biots and the Cylindrical Sea

After waiting aboard Endeavour for forty-eight hours following the storm, Norton and his team returned to a transformed Rama. The harsh blue light had mellowed to a gentler glow reminiscent of a hazy Earth day. Rama's interior was now completely blanketed with clouds forming a smaller cylinder within the larger world, leaving only the central core clear. When testing the atmosphere, they discovered the oxygen level had increased by fifty percent, making the air perfectly breathable without masks. The previously dry, musty air now had eighty percent humidity, feeling like a tropical evening. Through the fog came an increasingly familiar sound-the thunder of falling water, curving sideways due to Rama's rotation and Coriolis effect. Most striking was the transformation of the Cylindrical Sea-its color had changed from blue to pea-green. The "organic soup" that Dr. Ernst had mentioned was possibly being "shaken into life" in mere days, rather than the millions of years it had taken on Earth. The water was now teeming with spherical, single-celled microorganisms-primitive plankton-like creatures that were rapidly multiplying. After constructing a small raft named Resolution (after one of Captain Cook's ships), a team set out to explore New York-the mysterious island in the Cylindrical Sea. Upon reaching it, they discovered it wasn't a city at all but an enormous machine. Unlike any human city, it lacked accommodations, entrances, stairways, elevators-not even a simple door could be found. The closest Earth analogy was a giant chemical processing plant, though without visible raw materials or transport systems. The team's explorations took an unexpected turn when they encountered the first signs of active entities within Rama. A large crab-like creature methodically dismantled wreckage from a crashed ultralight aircraft, sorting debris with scissor-like claws and manipulators resembling tiny human hands. Its metallic carapace and expressionless blue eyes raised questions about whether it was biological or mechanical. These "biots"-biological robots designed for specific functions-showed complete indifference to human presence, neither hostile nor friendly.

『宇宙のランデヴー』をもっと深く楽しむ

毎日の新しい気づきを10万件以上のレッスンから
言葉をハイライトして音声と同期
ライブラリを保存して、どの端末からでも利用

第9章

The Final Mystery: Rama's Purpose Revealed

As Rama approached perihelion-its closest approach to the sun-tensions mounted throughout the solar system. The Hermian government, representing Mercury, feared Rama might use the sun's gravity to establish a permanent orbit near their planet. In an unprecedented act, they dispatched a nuclear missile toward Rama without consultation, claiming authority under the Space Treaty to protect solar space integrity. Norton faced the most difficult decision of his career-whether to attempt disabling the bomb, potentially risking his ship and crew. After weighing the moral complexities, he whispered to the portrait of his hero Captain Cook, "The human race has to live with its conscience. Whatever the Hermians argue, survival is not everything." Lieutenant Rodrigo successfully neutralized the bomb's remote detonation capability and altered its trajectory to miss Rama entirely. With the immediate threat neutralized, Norton led one final expedition inside Rama before solar heat forced their departure. The team discovered a "Temple of Glass" containing holographic images that appeared to show Raman artifacts, including what might have been a uniform or harness designed for a tall, three-armed creature about 2.5 meters high-possibly a Raman. Their exploration was cut short when the lights began dimming throughout Rama. As they hastily retreated toward the stairway, a high-pitched, descending whistle began sounding throughout Rama, accompanied by flashing lights. Brilliant energy beads raced along the six valleys, creating a hypnotic rhythm that seemed to command "To the Sea!" Biots across Rama rushed toward the Cylindrical Sea-some even plunging over the edge. After the crew's narrow escape, they positioned Endeavour 100 kilometers from Rama to observe its next moves. Thirty hours later, they discovered Rama had begun accelerating at 0.015 gravities with no visible propulsion system, defying Newton's Third Law. Rather than being captured by the sun as everyone feared, Rama was accelerating directly toward it on what appeared to be a collision course. At five million kilometers from the sun, Rama began to transform, surrounding itself with a perfectly reflective spherical shield that gradually elongated into an ellipsoid. The sun's magnetic field lines reshaped themselves around Rama, forming a faintly glowing tunnel through the corona. Accelerating to over 2,000 kilometers per second, Rama appeared to be tapping the sun's energy and possibly even matter, perhaps replenishing what it had lost during millennia in space. In less than two hours, Rama swung around the sun, changing direction by ninety degrees. It was now dropping below the ecliptic plane, aimed toward the Greater Magellanic Cloud and the gulfs beyond the Milky Way, having shown complete indifference to all the worlds it had disturbed.

第10章

The Legacy of Rama: What Remains Unanswered

As Norton reflected on the mission's end, he felt a profound sense of loss about Rama. Despite his mission's success and the wealth of scientific discoveries, he felt he had failed to understand the Ramans' true nature and purpose. They had merely used our solar system as a refueling stop before continuing to "more important business," showing monumental indifference to humanity. The encounter with Rama left humanity with far more questions than answers. Who built this massive artifact? Where did they come from, and where were they going? Why did they need to refuel at our sun? Were there living Ramans aboard, or was the entire structure automated? The biots-biological robots designed for specific functions-showed remarkable sophistication but gave no clues about their creators. Perhaps most tantalizing was Dr. Carlisle Perera's final realization: "The Ramans do everything in threes." The three-armed biots, three enormous stairways, three straight valleys-all suggested a fundamental pattern in Raman biology and culture. This observation hinted at the possibility that humanity might one day decipher more of the Raman mystery. The novel leaves us with the haunting possibility that Rama was merely the first of many such vessels. If the Ramans truly "do everything in threes," might there be more cylindrical worlds on their way to our solar system? The open-ended conclusion invites us to imagine what a second or third encounter might reveal, and whether humanity would be better prepared to understand these enigmatic visitors from the stars. In the end, "Rendezvous with Rama" offers a humbling perspective on humanity's place in the cosmos. Despite our technological achievements and scientific understanding, we remain like children taking our first steps into a universe filled with wonders and mysteries beyond our comprehension. The Ramans' indifference to us serves as both a warning and a challenge-a reminder that we are not the center of the universe, and that true wisdom begins with acknowledging how much we have yet to learn.

★★★★★

『宇宙のランデヴー』を最後まで読み終えました

100万人以上の学習者に愛用されています

“23日間、毎日使い続けています。今では日課の一部です。”

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『宇宙のランデヴー』の主要テーマ

first contact
interstellar artifact
scientific exploration
planetary defense
alien megastructure

『宇宙のランデヴー』の名言

Any sufficiently advanced technology is indistinguishable from magic.
Even the most cursory examination of the objects scattered on the Plain indicated that Rama was not designed for Man.
The Ramans did everything in threes. But why?
Its portrayal of first contact through the lens of scientific exploration rather than conflict was revolutionary.

『宇宙のランデヴー』の登場人物

Dr. William StentonScientist who discovered Rama's fast rotation
Professor DavidsonConservative Chairman of Space Advisory Council

著者について

アーサー・チャールズ・クラーク卿（1917-2008）は、『宇宙のランデヴー』の著者として知られる高く評価されたイギリスのSF作家であり、理解不能な未知との遭遇を探求したハードSFの巨匠です。イングランドのサマセットに生まれたクラークの宇宙探査に対する生涯にわたる情熱は、宇宙の驚異と異星文明に関する彼の先見的な物語を形作りました。

キングス・カレッジ・ロンドンでの数学と物理学の学位、そして戦時中のイギリス空軍でのレーダー専門家としての兵役は、高度なテクノロジーに直面した際の人類の知的能力の限界を探求する上で、科学的な厳密さをもたらしました。

クラークは、1968年の画期的な映画『2001年宇宙の旅』におけるスタンリー・キューブリック監督との共同作業で最もよく知られており、『幼年期の終り』を含む100冊近い著作を残しました。1988年に騎士爵（ナイト）を授与され、1956年から2008年に亡くなるまでスリランカで暮らしました。『宇宙のランデヴー』はヒューゴー賞とネビュラ賞の両方を受賞し、深遠な驚異の感覚でインスピレーションを与え続ける、探査主導型SFの決定版としての地位を確立しました。

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"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

BeFreedがウェブ上でどのように話題になっているかをもっと見る

コロンビア大学卒業生がサンフランシスコで開発

LOVED BY

1,000,000+ curious minds.

4.7

avg rating

1M+ learners

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

BeFreedがウェブ上でどのように話題になっているかをもっと見る

今すぐ学習の旅を始めよう

第7章

宇宙のランデヴー

概要『宇宙のランデヴー』の概要

1冊の本。さまざまな聴き方。

The Cosmic Visitor That Changed Everything

When Disaster Strikes: The Birth of Spaceguard

聴きながら、すべての言葉を目で追えます

The Perfect Cylinder: First Glimpse of an Alien Artifact

Into the Unknown: Humanity's First Steps Inside Rama

『宇宙のランデヴー』をもっと深く楽しむ

The Inside-Out World: Mapping Rama's Interior

The Stairway of the Gods: Descending to Rama's Plain

聴きながら、すべての言葉を目で追えます

Dawn Breaks in Rama: The Awakening

Life in Rama: Biots and the Cylindrical Sea

『宇宙のランデヴー』をもっと深く楽しむ

The Final Mystery: Rama's Purpose Revealed

The Legacy of Rama: What Remains Unanswered

『宇宙のランデヴー』を最後まで読み終えました

『宇宙のランデヴー』の主要テーマ

『宇宙のランデヴー』の名言

『宇宙のランデヴー』の登場人物

著者について

宇宙のランデヴーの要約をダウンロード

他のユーザーのお気に入り

この本に関するよくある質問

What is Rendezvous with Rama about?

Who should read Rendezvous with Rama?

Is Rendezvous with Rama worth reading?

Who is Arthur C. Clarke and what inspired Rendezvous with Rama?

もっと見る

1,000,000+ curious minds.

1,000,000+ curious minds.

1冊の本。さまざまな聴き方。

The Cosmic Visitor That Changed Everything

When Disaster Strikes: The Birth of Spaceguard

聴きながら、すべての言葉を目で追えます

The Perfect Cylinder: First Glimpse of an Alien Artifact

Into the Unknown: Humanity's First Steps Inside Rama

『宇宙のランデヴー』をもっと深く楽しむ

The Inside-Out World: Mapping Rama's Interior

The Stairway of the Gods: Descending to Rama's Plain

聴きながら、すべての言葉を目で追えます

Dawn Breaks in Rama: The Awakening

Life in Rama: Biots and the Cylindrical Sea

『宇宙のランデヴー』をもっと深く楽しむ

The Final Mystery: Rama's Purpose Revealed

The Legacy of Rama: What Remains Unanswered

『宇宙のランデヴー』を最後まで読み終えました

他のユーザーのお気に入り

もっと見る

『宇宙のランデヴー』の概要