What is *A City on Mars* about?

*[A City on Mars](https://www.acityonmars.com)* explores the scientific, ethical, and legal challenges of space settlement, questioning whether humanity should—or even *can*—sustainably colonize Mars, the Moon, or orbital habitats. Authors Kelly and Zach Weinersmith blend rigorous research with humor, covering topics like space reproduction, extraterrestrial governance, and unintended consequences for Earth, while dissecting myths about off-world living.

Who should read *A City on Mars*?

This book is ideal for space enthusiasts, sci-fi fans, and policymakers interested in a critical yet entertaining analysis of space colonization. It’s also suited for readers who enjoy popular science infused with humor, such as the Weinersmiths’ earlier work *Soonish*.

Is *A City on Mars* worth reading?

Yes—the book offers a balanced, evidence-based critique of space settlement dreams, combining expert interviews with witty illustrations. It challenges assumptions about off-world living while remaining accessible, making it a standout in both science communication and speculative futurism.

Can humans make babies in space, according to *A City on Mars*?

The book highlights unresolved risks like radiation and low-gravity pregnancy, arguing that human reproduction in space remains a major unsolved challenge. Current research suggests developmental abnormalities could occur, making sustainable colonies far riskier than often assumed.

What legal issues does *A City on Mars* address?

It examines gaps in international space law, including corporate governance, resource extraction rights, and the potential for conflict over lunar “Peaks of Eternal Light”. The authors warn that existing treaties are ill-equipped to handle privatized space settlements.

How does *A City on Mars* use humor to discuss space colonization?

The Weinersmiths inject levity through absurd hypotheticals (e.g., space cannibalism laws) and Zach’s **Saturday Morning Breakfast Cereal**-style comics. This approach makes complex topics like orbital mechanics or xenobiological risks more engaging.

Does *A City on Mars* criticize Elon Musk’s Mars ambitions?

While not explicitly naming Musk, the book critiques tech-driven colonization narratives for overlooking biological, social, and political realities. It argues that profit-motivated timelines often ignore critical research gaps.

How does *A City on Mars* compare to *Soonish*?

Both books blend deep research with humor, but *A City on Mars* focuses narrowly on space settlement’s feasibility, whereas *Soonish* surveyed diverse emerging technologies. The newer work adopts a more cautionary tone, reflecting years of specialized study.

화성 정착에 관한 모든 것

우리는 우주에 정착할 수 있는가, 정착해야 하는가, 그리고 이 문제에 대해 정말 충분히 고민해 보았는가?

켈리 와이너스미스 & 재크 와이너스미스

4.03(6406 Reviews)

화성 정착에 관한 모든 것 개요

"화성의 도시(A City on Mars)"에서 수상 경력에 빛나는 연구자 켈리 와이너스미스와 재크 와이너스미스는 우리의 우주 식민지화 환상에 냉혹한 현실을 제시하며 도전장을 내밉니다. 우리의 우주적 야망이 해결책보다 더 많은 문제를 만들어낸다면 어떻게 될까요? 인류의 외계 미래를 바라보는 관점을 바꾼 공로로 2024년 왕립학회 과학 도서상(Royal Society Science Book Prize)을 수상한 작품입니다.

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화성 정착에 관한 모든 것의 같은 아이디어를 담았습니다. 나에게 맞는 목소리, 깊이, 속도를 고르고 언제든 바꿔 보세요.

1장

The Final Frontier's Harsh Reality Check

When Elon Musk confidently predicts a million-person Mars city within decades, it's easy to get swept up in the excitement. After all, who wouldn't want to witness humanity's expansion to the stars? "A City on Mars" shatters these rosy visions with a sobering reality check. Written by scientist Kelly Weinersmith and cartoonist Zach Weinersmith, this meticulously researched book emerged from their four-year deep dive into space settlement feasibility. What began as enthusiasm gradually transformed them into self-described "space bastards" - skeptics who see the enormous gaps between our current capabilities and the requirements for sustainable off-world living. Their work has garnered attention from both space enthusiasts and critics, with astronaut Chris Hadfield praising its "clear-eyed assessment" and The New York Times highlighting its blend of scientific rigor and humor. Unlike most space literature that cheerleads for immediate expansion, this book asks the uncomfortable questions about whether we're truly ready to become a multiplanetary species - and whether rushing to do so might create more problems than it solves.

2장

The Myths That Drive Our Space Ambitions

The dream of space settlement rests on a foundation of compelling but flawed arguments. Perhaps the most common is the "Plan B" theory - that space colonies would serve as humanity's insurance policy against extinction. Yet this notion collapses under scrutiny. Even an Earth devastated by climate change or nuclear war would remain far more habitable than Mars, with its toxic soil and thin atmosphere. Space settlements would require constant resupply from Earth for generations, making them useless as true backup plans. The environmental salvation argument fares no better. The idea that we could move Earth's polluting industries to space ignores the staggering scale involved. Just to maintain Earth's current population (not reduce it), we'd need to relocate 220,000 people daily to space. Manufacturing in space presents extraordinary challenges - even something as basic as cement production becomes nightmarishly complex when dealing with vacuum, extreme temperature swings, and low gravity. Simple Earth solutions like lubricants that function at room temperature become engineering puzzles in space's harsh conditions. Space resource extraction, despite promises of asteroid riches, faces similar economic hurdles. The costs of acquiring these materials would likely exceed their value, even with technological improvements. And contrary to popular belief, nonrenewable resources constitute only about 2.5% of Earth's wealth, with most being fossil fuels unavailable in space anyway. The real economic value comes from human ideas and technology, not raw materials. The notion that space settlement would reduce war is equally dubious. Nations don't fight merely over generic territory - they fight over specific lands with historical or strategic significance. Offering new land in space won't resolve disputes over Jerusalem or Kashmir. Even universal prosperity wouldn't eliminate non-economic motivations for conflict like religious differences, poor leadership, or misperceptions about rivals' intentions. Perhaps most telling is the "overview effect" myth - that seeing Earth from space confers special philosophical insights. Despite nearly seventy years of spaceflight and over 600 spacefarers, their insights rarely exceed Hallmark-card observations about Earth's beauty. More damning is the extensive record of astronaut misconduct, from alcoholism to criminal behavior, suggesting space travel doesn't inherently make us wiser.

들리는 모든 단어를 눈으로 확인하세요

화성 정착에 관한 모든 것의 각 단어가 오디오에 맞춰 실시간으로 강조되어 편하게 따라 읽을 수 있습니다.

3장

The Human Body Wasn't Built for Space

Space isn't just uncomfortable - it's actively hostile to human physiology in ways that challenge our very ability to survive long-term missions. In microgravity, your body becomes remarkably efficient at eliminating what it perceives as unnecessary tissue. Bone density decreases at an alarming rate - after just four months, astronauts lose about 1% of spine mass per month, comparable to severe osteoporosis. Their calf muscles shrink by 13% despite following intensive daily exercise routines that would maintain or build muscle on Earth. The recovery process back on Earth can stretch into years, with some astronauts never fully regaining their pre-flight bone density levels. The absence of gravity creates cascading effects throughout the body's systems. Bodily fluids shift dramatically upward, leading to what astronauts call "Puffy-Face Bird-Leg" syndrome - their faces become noticeably swollen while their legs shrink. This fluid redistribution isn't just cosmetic; it can cause serious health issues including intracranial pressure and potentially dangerous readjustment problems when returning to Earth's gravity. The cardiovascular system also struggles to adapt, with some astronauts experiencing heart rhythm abnormalities and decreased heart muscle mass. Vision deterioration has emerged as a particularly concerning issue. About 23% of shuttle astronauts and a startling 50% of International Space Station crew members report significant close-vision difficulties after their missions, requiring specialized "space anticipation glasses." Recent studies suggest these vision problems may be permanent, linked to changes in the shape of their eyeballs and potential damage to the optic nerve from increased pressure in the skull. More concerning still is mounting evidence that these fluid shifts may cause subtle but lasting brain damage, particularly in regions controlling movement and cognitive function. Radiation exposure represents perhaps the most serious threat to long-term space travel. Beyond Earth's protective magnetosphere, solar radiation constantly bombards spacecraft, with intensity varying dramatically during solar events. A single solar flare can deliver a year's worth of radiation exposure in just hours. Even more insidious is galactic cosmic radiation - high-energy particles from distant exploded stars that pass through conventional shielding like it isn't there. These particles strike every cell nucleus in an astronaut's body approximately every few days, with individual atoms capable of blasting microscopic tunnels through human tissue, damaging DNA and potentially causing cancer. Current NASA standards limit astronaut exposure to a 3% "risk of exposure-induced death," which could effectively prevent both women (who are more susceptible to radiation-induced cancers) and experienced astronauts from participating in extended missions, particularly to Mars. The question of human reproduction in space remains perhaps the most crucial unknown for long-term space colonization. We have absolutely no data on whether humans can safely conceive, gestate, and give birth in altered gravity environments. The limited animal studies conducted thus far have been inconsistent and insufficient - using different species (from fish to rats), various experimental setups, and different protocols for inadequate durations. Some studies suggest serious developmental problems in mammalian embryos exposed to microgravity. For true space settlement viability, we need comprehensive multi-generational studies demonstrating not just that space babies can be born, but that they can develop normally and grow up to reproduce successfully themselves - a challenge that remains completely unaddressed by current space programs.

4장

The Real Estate Options Are Universally Terrible

When considering potential settlement locations, we face a menu of increasingly awful options. The Moon offers "magnificent desolation" as Buzz Aldrin put it - a carbon-poor, water-scarce wasteland coated in jagged regolith that clings electrostatically to everything. Its two-week day/night cycle creates temperature extremes from -250C to 120C. Yet its proximity to Earth - just 385,000 kilometers away - makes it uniquely accessible, with only one-second communication delays. Mars may be humanity's best bet for space settlement, but it's still a hostile wasteland compared to even the most climate-ravaged Earth scenario. Its surface contains toxic perchlorates that cause thyroid problems, and its dust storms can engulf the entire planet. Most significantly, Mars's distance means six-month journeys each way with no possibility of quick returns in emergencies. Unlike lunar missions where rescue is possible, Mars travelers are completely on their own, with communication delays ranging from three to twenty-two minutes each way. Giant rotating space stations offer an alternative that creates artificial gravity, but face enormous practical challenges. Any near-term design would require millions of tons of Earth-launched materials - at fifty tons per rocket, that's twenty thousand launches for a million-ton station. To avoid nausea from differential gravity effects, wheels must be enormous - at two rotations per minute, you need a 450-meter diameter wheel to create Earth gravity. Even smaller wheels face the "washing machine effect" where uneven mass distribution creates dangerous instability. Beyond these options lie even more inhospitable destinations: asteroids with limited solar power and difficult landing conditions; Venus with its 450C surface temperatures and sulfuric acid clouds; Mercury with temperature swings from -180C to 425C; and the outer solar system worlds shrouded in perpetual darkness. Interstellar travel remains firmly in science fiction - even reaching our nearest stellar neighbor would take approximately 8,000 years at our fastest spacecraft speeds.

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5장

Creating Earth-Like Environments in Sealed Bubbles

For space settlements to succeed, we must create miniature biospheres that replicate Earth's life-sustaining functions - a challenge that often gets sidelined despite its critical importance. Space settlers must achieve independence in basic necessities like food and water by "closing the loop" between consumption and production. Growing plants in space provides fresh nutrients, creates organic matter, and cleans the air - all vital for long-term settlement. While ISS experiments have successfully grown vegetables in controlled environments, actual lunar regolith has proven challenging for plant growth, with specimens showing stress responses and stunted development. Mars soil, with its perchlorates, presents its own challenges and has never been truly tested. Creating a closed-loop ecology requires recycling virtually everything: breath, moisture, urine, feces, and skin cells. While orbital stations would need nearly 100% recycling efficiency, lunar or Martian settlements could tolerate some losses, though they'd still need to carefully manage scarce elements like carbon, phosphorous, and nitrogen. The most ambitious closed-system experiment, Biosphere 2, housed eight "biospherians" for two years in a 3.14-acre sealed greenhouse. Though they split into hostile factions and faced near-starvation, the experiment demonstrated important principles. They battled oxygen depletion when microorganisms in their soil consumed oxygen while concrete absorbed CO2, effectively suffocating them. Despite these challenges, all eight survived, and many problems were fixable design flaws rather than conceptual failures. For energy, space settlements face limited options. Most Earth energy sources won't work - fossil fuels don't exist off-Earth, hydropower needs flowing water, wind power needs substantial atmosphere, and geothermal energy won't work on the geologically quiet Moon. This leaves solar and nuclear power as the primary options, both with significant challenges in the space environment.

6장

Space Law: The Overlooked Obstacle

While most space settlement books focus on technical details, they typically overlook the legal frameworks that will govern human expansion beyond Earth. The Outer Space Treaty (OST) stands as the fundamental governing document for space activities, yet most space-settlement enthusiasts rarely engage with its implications. The OST explicitly forbids national sovereignty in space, and this extends to corporations too. Companies like SpaceX can't claim Mars because they operate under national jurisdictions - any corporate space claim would ultimately be a nation's responsibility. However, nations can establish research stations with sovereign law applying within them, and could potentially monopolize premium real estate like the lunar "Peaks of Eternal Light" that comprise just "1/100 of a billionth of the lunar area." While you can't claim sovereignty over lunar territory, current interpretations suggest you can exploit its resources. The US, Japan, UAE, and Luxembourg have all passed laws supporting private companies' rights to extract and sell space resources, claiming this interpretation aligns with existing international law. Russia opposes this view, but there hasn't been strong international pushback against the "finders keepers" approach to space resources. The Artemis Accords introduce "safety zones" - designated areas around lunar activities where entry is restricted. While technically temporary, these zones function almost like territorial claims. When a nation establishes a base in a valuable lunar location with a safety zone extending kilometers around it, develops infrastructure, and forms cultural attachments to the area over generations, the distinction between this arrangement and sovereignty becomes blurred. This situation risks creating a zero-sum scramble for limited lunar resources rather than cooperation, potentially leading to conflict between major powers. Despite concerns from military and space experts about China's rapidly advancing space capabilities, this competitive approach may actually hinder long-term settlement goals.

들리는 모든 단어를 눈으로 확인하세요

화성 정착에 관한 모든 것의 각 단어가 오디오에 맞춰 실시간으로 강조되어 편하게 따라 읽을 수 있습니다.

7장

Company Towns in Space: Unprecedented Power Imbalances

Company towns in space present power dynamics far beyond their Earth counterparts. In space settlements, corporations would control not just housing and employment but the entire life-support system - from oxygen generation and water recycling to radiation protection and pressure maintenance. When a Mars CEO owns your oxygen supply and return transport costs millions of dollars per person, traditional labor leverage evaporates. Workers can't simply quit and move to another town when leaving means potential death or bankruptcy. The history of company towns reveals structural problems regardless of intentions. In 19th century coal towns like Pullman, Illinois, workers paid inflated prices at company stores and lived under strict moral codes. Soviet monotowns like Norilsk trapped workers through geographic isolation and economic dependence. Whether capitalist or communist, housing became "the method of controlling workers par excellence." Space settlements face these same risks amplified by technical constraints - habitat modules can't be easily expanded, and resources like water must be carefully rationed. Even well-intentioned space settlements face the "omni-antagonist effect" - when your employer is simultaneously your landlord, utility provider, healthcare system, and government, even minor grievances accumulate dangerously. A dispute over work schedules could affect housing assignments. Complaints about food quality could impact medical care access. The interconnected nature of space habitat systems means no aspect of life remains truly independent. Space settlements might attempt social engineering through atmospheric manipulation or surveillance, justified by the fragility of life-support systems. Some submarine commanders reportedly already manipulate oxygen/CO2 ratios to manage crew energy levels - increasing CO2 to reduce aggression or boosting oxygen for alertness. In space habitats, this practice could extend to controlling worker behavior, productivity, and even sleep cycles. Constant monitoring of air quality could double as perpetual surveillance. Economic instability poses existential threats in space company towns. While terrestrial towns could simply fold during downturns, Mars settlements face 26-month launch windows and astronomical evacuation costs exceeding $100 million per person. Failed Earth company towns led to poverty; failed space settlements could lead to death. This creates enormous ethical responsibility for settlement founders to maintain adequate reserves and transportation infrastructure. Companies must prove they can sustain operations across multiple Earth-Mars transfer windows and market cycles. The combination of technical constraints, economic pressures, and complete corporate control creates unprecedented vulnerability for space workers. Without careful oversight and worker protections established before settlement, space company towns risk becoming the ultimate expression of employer power over employees' lives.

8장

The Myth of the Space Backup Plan

For space settlements to serve as genuine "Plan B" survival outposts for humanity, they must address two fundamental questions: how many humans are needed to avoid inbreeding problems, and how many are required to maintain high-tech settlement life without Earth's support? Conservation biologists use the concept of "minimum viable population" (MVP) to determine sustainability. While early studies suggested only 80-150 humans might be needed, these estimates proved incorrect. More sophisticated computer models that account for potential disasters suggest an effective population of 10,000 (requiring an actual population around 30,000) for just five generations of isolation. Technological workarounds like freeze-dried gametes or computer-controlled breeding programs like HERITAGE suggest survival might be possible with just 98 people if mating choices were dictated by algorithms to maximize genetic diversity. However, this raises ethical concerns about mandatory reproductive controls: "Even if a first generation of settlers are cool signing the waiver, what are the odds that all, or even most, of their children will feel likewise?" The authors thoroughly dismantle the idea that a Mars settlement could achieve true economic independence with just one million people. They point to Earth's most isolated economies - Cuba (11M people) and North Korea (26M) - which still struggle with autarky despite much larger populations and far better conditions than Mars would offer. Computer chip fabrication exemplifies the challenge: Earth's 8 billion people get advanced chips from just three manufacturers, requiring massive infrastructure and specialists. The final verdict on the "Plan B" concept: there is no viable short-term backup plan for humanity in space. Creating a truly self-sufficient Mars colony would require either transferring hundreds of millions of people quickly or developing unimaginably advanced robotics. If we became technologically capable of building permanent bubble worlds for a million people on a distant planet, we could more easily solve Earth's environmental problems.

화성 정착에 관한 모든 것에서 더 많은 것을 얻으세요

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9장

Space War: The Ultimate Existential Risk

The authors explore the sobering possibility that space settlement might increase rather than decrease humanity's extinction risk. While space has remained largely peaceful despite early militarization fears during the Cold War era, this peace is fragile and pragmatic rather than idealistic, built on mutual dependence and the prohibitive costs of space-based conflict rather than genuine cooperation. In the near term, space warfare would likely target satellites rather than human settlements. The "First Space War" (better known as the First Gulf War) marked a watershed moment when military satellites became crucial to warfare, providing essential GPS guidance, communications, and surveillance capabilities that revolutionized military operations. Satellites are "dual use" technologies that serve both civilian and military purposes, as dramatically demonstrated when SpaceX's Starlink became integral to Ukrainian resistance against Russian invasion in 2022. This dual-use nature makes satellites both valuable assets and vulnerable targets, creating a complex web of dependencies and vulnerabilities in modern warfare. In the medium term, even if multiple nations establish lunar or Martian outposts, war between Earth and space settlements remains extremely unlikely this century. Any rebellious Moon colony would be easily crushed since space settlements will remain dependent on Earth trade for survival - requiring everything from replacement parts to biological materials and specialized technologies. The authors compare the idea of a space settlement declaring war on Earth to "Malta declaring war on Europe," highlighting the fundamental power imbalance. Early settlements will lack the industrial base, population, or resource independence to pose any meaningful threat to Earth. However, the long-term picture is more concerning. The authors challenge the common claim that space settlement will lead to peace through abundance, noting that similar arguments were made about the American West, which instead saw genocidal appropriation of indigenous lands and ultimately the Civil War. Historical patterns suggest that new frontiers often intensify rather than resolve existing conflicts. Interplanetary warfare could be uniquely devastating because combatants would occupy separate "fishbowls" - isolated environments with no shared ecosystems. Unlike Earth, where nuclear testing was curtailed after scientists discovered dangerous isotopes in baby teeth across the globe, Mars has no shared atmosphere with Earth. This separation removes a key deterrent against using humanity's most horrific weapons - there's no shared environment to contaminate. The development of space-based weapons, from kinetic bombardment platforms to biological agents designed for closed systems, could create unprecedented threats to human survival across multiple worlds. The isolation between planetary settlements could also lead to divergent human societies with fundamentally different values and priorities, increasing the risk of devastating conflicts driven by ideological or resource disputes. The vast distances and communication delays between settlements could make diplomatic resolution of conflicts more challenging than ever before in human history.

10장

A More Measured Approach to the Final Frontier

Rather than rushing headlong into space settlement, the authors propose a "wait-and-go-big" approach. This means waiting for major developments in science, technology, and international law before moving many settlers at once. The waiting period isn't idle - it involves developing robotic systems for the Moon, researching reproduction in space, determining minimum viable population sizes, and advancing numerous scientific fields from artificial wombs to international law. For space settlement to succeed, we should focus research on two critical tracks: First, biology, reproduction, and ecology - studying long-term effects of partial gravity, space reproduction through animal research, and creating sustainable closed ecosystems like improved versions of Biosphere 2. Second, developing a deeper understanding of how ecosystems function in unusual environments, which might prove valuable on our warming Earth as well. The right space law already exists - something like the UN Convention on the Law of the Sea or the Moon Agreement, but calibrated to be acceptable to major space powers. A legal regime that prevents territorial scrambles in the short term enables peaceful scientific collaboration in the medium term and potentially allows for independent off-Earth nations in the distant future. Despite their pessimism about near-term settlement prospects, the authors express genuine enthusiasm for space studies. They celebrate how the field requires understanding everything from orbital mechanics to ecology, history, law, and war. They frame this as an invitation - especially to those who disagree with their conclusions - to view the book's challenges as a roadmap for progress. As Konstantin Tsiolkovsky wrote, "The earth is the cradle of humanity, but one cannot forever live in the cradle." However, what emerges from a cradle is not an adult but a toddler - lacking knowledge, excitable, and prone to self-destruction. Better to leave Earth as mature adults after spending the awkward years learning how to survive beyond our planetary home.

들리는 모든 단어를 눈으로 확인하세요

화성 정착에 관한 모든 것의 각 단어가 오디오에 맞춰 실시간으로 강조되어 편하게 따라 읽을 수 있습니다.

11장

The True Challenge of Becoming Multiplanetary

Space settlement represents humanity's greatest challenge - not just technologically, but ethically, legally, and socially. The fundamental takeaway is that space is different from Earth in ways that make exploration analogies misleading. While sailing around the world extended natural human capabilities, space travel requires surviving environments combining every hostile condition on Earth plus unique challenges like extreme temperatures, poison-soaked soil, and horizons of charged jagged glass. The most troubling reality is that many space settlement advocates gloss over or casually accept potentially horrifying implications - like allowing "natural selection" to operate on space babies or adopting more liberal policies toward terminating pregnancies with disabilities that would "burden" a colony. If space settlement requires abandoning our moral frameworks regarding human life, what's the point of expanding humanity? The authors conclude that while Mars remains distant, it's achievable with sufficient knowledge and human development: "We have to become wise if we want to go to the stars." This means developing not just the technical capabilities for space settlement, but also the ethical frameworks, legal structures, and social systems that would make off-world communities places worth living in - extensions of humanity's best qualities rather than isolated outposts where our worst tendencies flourish unchecked. Space settlement isn't impossible, but it will be extraordinarily difficult - far beyond any terrestrial frontier humans have conquered before. By approaching it with patience, scientific rigor, and ethical consideration, we might eventually create sustainable human communities beyond Earth. But rushing headlong into space without addressing these fundamental challenges risks creating dystopian bubbles rather than the utopian frontier that space enthusiasts imagine.

★★★★★

화성 정착에 관한 모든 것 완독을 축하합니다

100만 명 이상의 학습자가 사랑합니다

“23일째 매일 사용하고 있어요. 이제 제 일상의 한 부분이 되었습니다.”

jayallen

화성 정착에 관한 모든 것의 핵심 주제

space settlement feasibility
off-world reproduction
space law and governance
human physiology in microgravity
space resource economics

화성 정착에 관한 모든 것의 명언

Space isn't just uncomfortable - it's actively hostile.
Space bastards - skeptics who see the enormous gaps.
The human body wasn't built for space.
The real economic value comes from human ideas.
We face a menu of increasingly awful options.

화성 정착에 관한 모든 것의 등장인물

Kelly WeinersmithScientist and co-author of the book
Zach WeinersmithCartoonist and co-author of the book
Chris HadfieldAstronaut who provided assessment of the research

저자 소개

수상 경력에 빛나는 과학 커뮤니케이터이자 <뉴욕 타임스> 베스트셀러 작가인 켈리 와이너스미스와 재크 와이너스미스는 특유의 유머와 엄격한 조사를 바탕으로 A City on Mars: Can We Settle Space, Should We Settle Space, and Have We Really Thought This Through?를 선보입니다. 기생충학자이자 라이스 대학교 겸임 교수로 '크립트 키퍼' 말벌과 같은 숙주 조종 생물체를 전문적으로 연구하는 켈리는 자신의 생태학적 전문 지식과 재크의 과학 만화 역량(SMBC 코믹스)을 결합하여 우주 식민지화의 생물학적, 정치적, 기술적 과제들을 해부합니다.

이들의 이전 협업작인 Soonish: Ten Emerging Technologies That’ll Improve and/or Ruin Everything은 학제간 관점을 통해 추측 가능한 미래를 분석하는 토대를 마련했습니다.

와이너스미스 부부의 작업은 <네이처>, <디 애틀랜틱>, BBC 월드 등에 소개되었으며, 켈리는 <Science… sort of> 팟캐스트에 정기적으로 출연하고 스미소니언의 'Future Is Here' 페스티벌에서 강연하고 있습니다. 2024년 왕립학회 트리베디 과학 도서상을 수상한 A City on Mars는 <뉴욕 타임스> 하드커버 비소설 부문 11위로 데뷔하며, 인류의 가장 원대한 야망을 탐구하는 비판적 사고가로서 이들의 지위를 공고히 했습니다.

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The Physics of Interstellar Survival

This plan bridges the gap between theoretical physics and practical engineering for the future of humanity. It is essential for aspiring aerospace engineers, science enthusiasts, and anyone fascinated by the technical realities of becoming a multi-planetary species.

1 h 12 m•3 섹션

학습 계획

The Culture: AI Minds and Human Purpose

This plan explores the intersection of advanced technology and social philosophy through the lens of Iain M. Banks's universe. It is ideal for sci-fi enthusiasts, futurists, and ethicists interested in the long-term implications of AI governance.

2 h•4 섹션

학습 계획

Read high-concept sci-fi exploring extremes

High-concept science fiction pushes the boundaries of imagination, challenging readers to confront radical ideas about humanity's future and the nature of reality itself. This learning plan is ideal for readers seeking to move beyond conventional sci-fi narratives into more intellectually demanding works that explore consciousness, technological transcendence, and the outer limits of speculative thought.

5 h 22 m•4 섹션

학습 계획

Faith Among the Stars

This plan is essential for explorers and thinkers seeking to reconcile the harsh realities of deep-space physics with profound spiritual questions. It is ideal for those who want to find divine purpose while navigating the technical and existential challenges of the universe.

1 h 36 m•3 섹션

학습 계획

Secrets of a Strange Earth

This plan is designed for curious minds who want to look beyond conventional knowledge to understand the anomalies of our universe and species. It is perfect for lifelong learners and trivia enthusiasts seeking to bridge the gap between science, history, and psychology.

1 h 36 m•4 섹션

학습 계획

The New Era of Cosmic Discovery

As we enter a golden age of astronomy, understanding the mechanisms of our universe is more accessible than ever. This plan is ideal for science enthusiasts and lifelong learners eager to grasp the latest breakthroughs in black hole physics and the search for extraterrestrial life.

1 h 30 m•3 섹션

학습 계획

The Rocket Scientist's Reading Workflow

In an era of information overload, the ability to rapidly digest and apply complex technical knowledge is a competitive superpower. This plan is designed for high-performers and lifelong learners who need to master new domains quickly using engineering-grade mental models.

1 h 30 m•3 섹션

학습 계획

Billionaires, Bots, and the Ballot

In an era where tech giants and high-net-worth individuals wield unprecedented power, understanding the mechanics of modern democracy is essential. This plan is ideal for political analysts, tech policy advocates, and concerned citizens looking to navigate the intersection of private capital and state machinery.

1 h 30 m•3 섹션

샌프란시스코에서 컬럼비아 대학교 동문들이 만들었습니다

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

웹에서 BeFreed가 어떻게 논의되고 있는지 더 보기

샌프란시스코에서 컬럼비아 대학교 동문들이 만들었습니다

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

웹에서 BeFreed가 어떻게 논의되고 있는지 더 보기

지금 바로 학습 여정을 시작하세요

3장

화성 정착에 관한 모든 것

개요화성 정착에 관한 모든 것 개요

한 권의 책, 다양한 듣기 방식.

The Final Frontier's Harsh Reality Check

The Myths That Drive Our Space Ambitions

들리는 모든 단어를 눈으로 확인하세요

The Human Body Wasn't Built for Space

The Real Estate Options Are Universally Terrible

화성 정착에 관한 모든 것에서 더 많은 것을 얻으세요

Creating Earth-Like Environments in Sealed Bubbles

Space Law: The Overlooked Obstacle

들리는 모든 단어를 눈으로 확인하세요

Company Towns in Space: Unprecedented Power Imbalances

The Myth of the Space Backup Plan

화성 정착에 관한 모든 것에서 더 많은 것을 얻으세요

Space War: The Ultimate Existential Risk

A More Measured Approach to the Final Frontier

들리는 모든 단어를 눈으로 확인하세요

The True Challenge of Becoming Multiplanetary

화성 정착에 관한 모든 것 완독을 축하합니다

화성 정착에 관한 모든 것의 핵심 주제

화성 정착에 관한 모든 것의 명언

화성 정착에 관한 모든 것의 등장인물

저자 소개

화성 정착에 관한 모든 것 요약 다운로드

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이 책에 대한 FAQ

What is A City on Mars about?

Who should read A City on Mars?

Is A City on Mars worth reading?

Can humans make babies in space, according to A City on Mars?

더 알아보기

1,000,000+ curious minds.

1,000,000+ curious minds.

한 권의 책, 다양한 듣기 방식.

The Final Frontier's Harsh Reality Check

The Myths That Drive Our Space Ambitions

들리는 모든 단어를 눈으로 확인하세요

The Human Body Wasn't Built for Space

The Real Estate Options Are Universally Terrible

화성 정착에 관한 모든 것에서 더 많은 것을 얻으세요

Creating Earth-Like Environments in Sealed Bubbles

Space Law: The Overlooked Obstacle

들리는 모든 단어를 눈으로 확인하세요

Company Towns in Space: Unprecedented Power Imbalances

The Myth of the Space Backup Plan

화성 정착에 관한 모든 것에서 더 많은 것을 얻으세요

Space War: The Ultimate Existential Risk

A More Measured Approach to the Final Frontier

들리는 모든 단어를 눈으로 확인하세요

The True Challenge of Becoming Multiplanetary

화성 정착에 관한 모든 것 완독을 축하합니다

다른 사용자들도 좋아한 책

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화성 정착에 관한 모든 것 개요