『What’s our plan for a planet-killer comet? The facts about NASA’s Planetary Defense (Kinetic Impactors vs Armageddon Nukes) and more in Adam McKay’s film "Don’t Look Up."』のカバーアート

What’s our plan for a planet-killer comet? The facts about NASA’s Planetary Defense (Kinetic Impactors vs Armageddon Nukes) and more in Adam McKay’s film "Don’t Look Up."

What’s our plan for a planet-killer comet? The facts about NASA’s Planetary Defense (Kinetic Impactors vs Armageddon Nukes) and more in Adam McKay’s film "Don’t Look Up."

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Episode DescriptionHow do long-period comets (like Comet NEOWISE) actually move, how NASA’s real-life Planetary Defense Coordination Office operates, and whether kinetic impactors (like the DART mission) or nuclear explosives could divert a planet-killing object? They also dive into why the film serves as a sharp allegory for climate change, pandemic responses, corporate greed, and the politicization of science. Full SummaryAmy Mainzer (UCLA astrophysicist and science advisor on Don't Look Up) and Adam Sigel (Hollywood writer/producer) welcome writer/director Adam McKay to discuss balancing scientific accuracy with storytelling, and why making Don't Look Up required close collaboration between filmmakers and scientists. In reality, detecting and diverting a long-period comet would take roughly five years (and likely longer) to save humanity from the impact. This is the time needed for design reviews, international management, and spacecraft development. However, cinematic pacing demanded a condensed, high-stakes timeline.Asteroids, Comets and NASA's Planetary DefenseOrbital Mechanics: To fit the film's timeline realistically, Dr. Mainzer modeled the fictional threat after long-period comets coming from the outer solar system (similar to Comet NEOWISE, discovered in 2020). These objects approach the Sun rapidly on their first appearance, limiting advance warning.NASA’s Real Planetary Defense: The film’s "Oglethorpe" character reflects NASA’s actual Planetary Defense Coordination Office, which coordinates with international space agencies and emergency response networks (like FEMA) to track potential threats and plan mitigation strategies.Kinetic Impactors (The DART Mission): Kinetic redirection—knocking an object off-course by crashing a spacecraft into it. NASA successfully demonstrated this with the DART (Double Asteroid Redirection Test) mission, altering an asteroid’s orbital speed. However, kinetic impactors require years of lead time to successfully nudge an object away from Earth.Fictional Solutions vs. Geoengineering RisksIn Don't Look Up, the government abandons kinetic deflection to attempt a dangerous mining operation using "micro-targeted quantum fission explosives" and autonomous drones.Nuclear Explosions & Shotgun Blasts: Attempting to blow up a comet near Earth risks turning a single large impactor into a cluster of radioactive fragments.Parallels to Geoengineering: This reckless high-tech fix mirrors real-world geoengineering proposals (like solar radiation management via atmospheric particle injection to alter planetary albedo). Such unproven, large-scale intervention carries immense systemic risk and unpredictable consequences as the film bares out.Allegory, Corruption, and Human BehaviorPoliticization & Incentives: The conversation addresses how scientific consensus gets derailed by political interests, corporate lobbying, and social media manipulation. McKay highlights how careerism and financial incentives blind political and media classes to existential threats.Hyperbolic Discounting: The economic concept of humanity's tendency to prioritize immediate, short-term rewards while ignoring long-term risks.The Role of Art: They conclude that while science delivers inconvenient truths, art and satire provide the necessary emotional outlets for society to process existential dread and translate fear into systemic action. Follow Unobtainium Podcast! Website: unobtainiumpodcast.comWatch full episodes on https://www.youtube.com/@unobtainiumpod Stay connected: Instagram: @unobtainiumpod TikTok: @unobtainiumpod Bluesky: @unobtainiumpod.bsky.social X: @unobtainiumpod For Adam McKay:https://www.instagram.com/mr.ghostpanther/yellowdotstudios.com #DontLookUp #AdamMcKay #NASA #DARTMission #NeowiseComet #PlanetaryDefense #PlanetaryScience #unobtainiumpodcast #MovieBreakdown #SciFiMovies #KineticImpactor #AsteroidDeflection25 for 25 by Kjartan Abel. by kjartan_abel -- https://freesound.org/s/768490/ -- License: Attribution 4.0 Hosted on Acast. See acast.com/privacy for more information.
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