← Unobtainium Podcast
Unobtainium Podcast ·Oct 6, 2026 ·47 min

Could You ACTUALLY Survive on Mars? Planetary Scientist Dave Paige Breaks Down Ridley Scott's blockbuster film The Martian, breaking down what the film got right, what was exaggerated, and what real NASA missions face when exploring the Red Planet.

Evaluation and Summary

6.9/10

Unobtainium hosts Adam and Amy interview UCLA Planetary Science Professor Dave Paige to fact-check Ridley Scott's *The Martian*. The episode systematically examines what the film got right, exaggerated, or got wrong across multiple domains of Mars science and human spaceflight. Key topics covered: Paige explains Mars's extreme environment—atmospheric pressure less than 1/100th of Earth's, composed of CO₂, with daytime equatorial temperatures near room temperature but nighttime lows far below Antarctica's coldest regions. The episode's centerpiece is debunking the film's inciting incident: the massive dust storm that strands Mark Watney couldn't happen as depicted. While Mars does experience fast winds, the atmosphere is so thin that even high-speed winds exert only mild breeze-force, insufficient to topple equipment or astronauts. Other scientific deep-dives include potato cultivation in Martian regolith (possible with nutrient supplementation, but the film's use of raw human waste poses pathogen risks that real missions would address with waste digesters), water and geology (subsurface ice sheets, ancient riverbeds, Olympus Mons, and confirmed active "Marsquakes" from InSight data), and NASA's communication systems (the film's single-antenna failure is unrealistic given NASA's multi-redundant design, though the episode credits the movie for accurately depicting JPL's collaborative culture and technical trade-offs). The conversation expands beyond film critique into a substantive debate about Mars exploration philosophy. Paige argues that increasingly capable autonomous and semi-autonomous robots offer safer, cheaper, and more scientifically precise exploration than crewed missions, which require massive weight, artificial gravity systems, and extensive life support. This leads to the episode's largest question: Should humans go to Mars at all, and how aggressively should we search for indigenous microbial life without contaminating the planet? The episode balances entertainment (film analysis) with genuine scientific content, grounding claims in specific data (InSight seismic results, atmospheric measurements, soil composition) and real mission constraints. It avoids pure filler, though the show notes don't indicate how much time is spent on each topic or whether the 47-minute runtime includes substantial tangents.

Verdict: A well-structured, substantive episode that delivers exactly what the title promises—expert fact-checking of *The Martian* grounded in real Mars science and NASA mission realities—though the lack of audio evidence prevents full assessment of performance and writing quality.

Fiction rubric

  • Writing n/a

    No transcript or dialogue samples provided; cannot assess script quality or dialogue sharpness.

  • Performance and production n/a

    No audio samples or production details given; cannot evaluate acting, sound design, or technical execution.

  • Plot momentum 3/5 25%

    The episode follows a logical structure (film critique → scientific deep-dives → philosophical debate) that should sustain interest, but show notes don't indicate pacing or whether momentum flags in places.

  • Substance 4/5 25%

    Dense with specific scientific claims (atmospheric pressure ratios, temperature ranges, InSight data, regolith composition, redundant systems), real mission constraints, and a substantive philosophical debate about exploration strategy; min

  • Delivers on its title 5/5 25%

    Title promises breakdown of what *The Martian* got right/wrong and what NASA faces on Mars; episode systematically delivers both through multiple scientific domains and concludes with real exploration philosophy.

  • Value for time 3/5 25%

    47 minutes for a multi-topic deep-dive with expert guest suggests reasonable pacing, but show notes don't reveal whether any segments drag or whether the runtime is tight or padded.

How we score Fiction

Worth it if you enjoyed *The Martian*, are curious about real Mars science, or want to understand the practical and ethical trade-offs between crewed and robotic space exploration.

Based on the episode description. AI-generated; it can be wrong.

Show notes

Episode Description In this episode of Unobtainium , hosts Adam and Amy sit down with UCLA Planetary Science Professor Dave Paige to dissect the science behind Ridley Scott's blockbuster film The Martian . From the atmospheric physics of Martian dust storms to the realities of growing potatoes in extraterrestrial soil, Professor Paige breaks down what Hollywood got right, what they exaggerated, and what real NASA missions face when exploring the Red Planet. Full Summary Why couldn’t the movie’s massive Martian dust storm really happen? Could you actually grow potatoes in Martian soil? How cold is Mars? Is there liquid water beneath the surface? Could microbial life exist there today? How realistic are NASA and JPL’s response to Mark Watney’s predicament? And what would it actually take to keep human beings alive on a journey to Mars? But the conversation ultimately raises a bigger question: Should humans be going to Mars at all? Paige makes the case that increasingly capable robots may be able to explore Mars more safely, cheaply and extensively than astronauts—without risking human lives or contaminating a planet that could harbor indigenous life. That leads to the most consequential scientific question of all: Is there life on Mars, and how far should we go to find it? Along the way, the conversation explores: Mars Environment & Atmospheric Physics: Mars has an atmospheric pressure less than $1/100^{\text{th}}$ that of Earth, composed primarily of carbon dioxide. While daytime temperatures at equatorial regions can approach room temperature, nighttime temperatures drop far below any location in Antarctica. The Dust Storm Exaggeration: The film's inciting incident—a severe dust storm that forces mission abort—is pure science fiction. Although wind speeds on Mars can be fast, the atmospheric density is so low that high-speed winds exert only a mild breeze's force, insufficient to knock down an astronaut or damage heavy equipment. NASA Technical Realism & JPL Representation: The movie accurately depicts the collaborative dynamic of NASA ground control, technical trade-offs, and internal management at the Jet Propulsion Laboratory (JPL). However, the premise that Mark Watney lost all communication due to a single broken antenna is unrealistic given standard NASA multi-redundant communication systems. Farming Potatoes in Martian Regolith: Martian soil contains oxidizing perchlorates, but experiments with sterile lunar soil prove plants can grow in extraterrestrial dirt when supplemented with nutrients. Applying raw human waste directly to root vegetables introduces severe pathogen risks; real missions would use waste digesters. Geology, Water, and Seismic Activity: Mars features massive subsurface ice sheets past $45^\circ$ latitude, ancient riverbeds, dry lake beds, and Olympus Mons—the solar system's largest volcano. Data from the InSight mission confirmed active "Marsquakes," demonstrating the planet remains geologically active. Robotic Exploration vs. Crewed Missions: While human exploration provides a compelling narrative, human crew vehicles require massive weight, artificial gravity systems, and extensive life support. Autonomous and semi-autonomous robotic rovers offer a far safer, more cost-effective, and scientifically precise method for exploring Mars. Follow Unobtainium Podcast! Website: unobtainiumpodcast.com Watch full episodes on https://www.youtube.com/@unobtainiumpod Stay connected: Instagram: @unobtainiumpod TikTok: @unobtainiumpod Bluesky: @unobtainiumpod.bsky.social X: @unobtainiumpod For Dave Paige https://www.space.ucla.edu/david-paige https://www.diviner.ucla.edu/dap https://www.planetary.org/profiles/david-paige #TheMartian #Mars #MarsScience #NASA #ScienceFiction #SpaceExploration #Astrobiology #MattDamon #RidleyScott #UnobtainiumPodcast #JPL #DavePaige #Amy Meinzer Hosted on Acast. See acast.com/privacy for more information.

Episode page

/10