Imagine waking up to a world where snowflakes drift gently onto the lunar surface – not the fluffy white stuff from Earth, but something far more exotic and groundbreaking for our understanding of the cosmos! This isn't just a whimsical daydream; it's the tantalizing premise explored in the latest episode of This Week In Space, and it's sparking debates that could reshape how we view our closest celestial neighbor. But here's where it gets controversial: Could this discovery hint at a Moon that once hosted more dynamic weather than we ever imagined, potentially challenging long-held beliefs about our solar system's history? Stick around, and this is the part most people miss – the implications for future human exploration that might just rewrite the book on lunar science.
Dive into Episode 186 of This Week In Space, titled 'Snow on the Moon?' featuring an engaging chat with Dr. Jim Green, NASA's esteemed former chief scientist. Available on YouTube here (https://youtu.be/DYEmy0ozFyM), this episode builds on the previous one (Episode 185, accessible at https://twit.tv/shows/this-week-in-space/episodes/185?autostart=false), where hosts Rod Pyle and Tariq Malik sat down with Dr. Green to unravel the mysteries of potential lunar snowfall.
The conversation delves deep into planetary science, revealing that the Moon might have experienced snowfall involving both carbon dioxide (that's right, dry ice snow!) and water ice in its ancient past. For beginners, think of it like this: Just as Earth's polar regions get snow from frozen water vapor, the Moon's colder, airless environment could have seen similar deposits from gases and water vapor escaping from its interior or brought by comets. This isn't just cool trivia – it opens doors to understanding how volatile substances like water have shaped the Moon's geology and could even point to resources for future missions. To put it simply, if confirmed, this means the Moon wasn't always the barren rock we see today; it might have had a more active, Earth-like history billions of years ago.
But the episode doesn't stop there. We also cover the spectacular debut of Blue Origin's New Glenn rocket, including its successful launch and first-ever booster landing after deploying NASA's Mars ESCAPADE mission – a testament to reusable rocket technology that's revolutionizing space travel. Then, there's the gripping story of the Chinese taikonauts on the Tiangong space station, who faced a tense situation with cracks in their spacecraft windows due to space debris, forcing them to return to Earth on a different vessel. And, unsurprisingly, SpaceX drops a memo announcing yet another delay in their Artemis III lunar landing program. These topics highlight the highs and lows of modern spacefaring – from triumphant engineering feats to the unpredictable hurdles that remind us exploration isn't always smooth sailing.
Now, let's break down the space news roundup that fuels this week's discussion:
China's Shenzhou 20 astronauts made a safe but unconventional return to Earth, opting for a backup spacecraft after discovering concerning cracks in their original vessel's windows, likely caused by orbital debris. (For more details, check out https://www.space.com/space-exploration/human-spaceflight/chinas-shenzhou-20-astronauts-head-home-to-earth-after-space-debris-scare) This incident underscores the growing threat of space junk, a controversial issue sparking debates on who should regulate orbital cleanliness – should it be international treaties, or is it up to individual nations?
Blue Origin achieved a milestone by landing their massive New Glenn rocket booster for the first time following a flawless launch that sent NASA's Mars ESCAPADE probes on their way. (Dive deeper at https://www.space.com/space-exploration/launches-spacecraft/blue-origin-lands-huge-new-glenn-rocket-booster-for-1st-time-after-acing-mars-escapade-launch-for-nasa) It's an exciting step forward for commercial space, but critics argue it could accelerate private competition, potentially sidelining public agencies like NASA – what do you think, is this the future of exploration or a risky gamble?
Comet C/2025 K1 (ATLAS) dramatically fragmented into three pieces after its close encounter with the Sun, offering a rare glimpse into cometary fragility. (Watch the video and read more at https://www.space.com/stargazing/comet-c2025k1-atlas-splits-into-3-pieces-after-close-brush-with-the-sun-video-nov-2025) For newcomers, comets are icy bodies that can break apart under solar heat, and this event reminds us of the volatile nature of our solar system – imagine if Earth had a close call like that!
NASA's own research confirms there's water on the Moon, trapped in shadowed craters as ice. (Explore the full story at https://science.nasa.gov/solar-system/moon/theres-water-on-the-moon/) This revelation is game-changing for sustainability in space, but it raises eyebrows: Does this mean lunar mining is ethically sound, or could it lead to overexploitation of extraterrestrial resources?
A cutting-edge supercomputer simulation provides fresh insights into the Moon's formation, tracing its origins back to a massive collision. (See the YouTube explanation at https://www.youtube.com/watch?v=kRlhlCWplqk) Simplifying for beginners: Think of the Moon as a byproduct of an ancient cosmic smash-up between a young Earth and a Mars-sized body, scattering debris that coalesced into our satellite.
The Late Heavy Bombardment theory describes a period when asteroids pummeled the inner solar system, including Earth and the Moon. (Learn about this violent era at https://www.space.com/36661-late-heavy-bombardment.html) It's a controversial chapter, with some scientists questioning its timing – was it a brief cataclysm or a drawn-out shower, and how did life on Earth survive?
NASA has chosen Blue Origin to transport the VIPER rover to the Moon's south pole, aiming to hunt for water ice. (Official announcement here: https://www.nasa.gov/news-release/nasa-selects-blue-origin-to-deliver-viper-rover-to-moons-south-pole/) This selection fuels rivalry in the commercial space sector – is it fair play, or does it favor certain companies?
Researchers are finally cracking open pristine Apollo 17 samples from 1972, which could reveal secrets about the Moon's turbulent early history. (More on this at https://www.space.com/astronomy/moon/scientists-open-untouched-apollo-17-lunar-samples-from-1972-they-may-hold-clues-about-the-moons-violent-origins) Imagine unlocking a time capsule from the Apollo era – what hidden truths might it expose about our Moon's past?
And for a fun, hands-on twist: Ever dreamed of launching your own SpaceX-style rocket? Estes has crafted a remarkable scale model of the Falcon 9 that's not only detailed but fully launchable. Priced at $149.99, you can snag it now and use the code IN-COLLECTSPACE for a 10% discount (visit https://estesrockets.com/product/002161-spacex-falcon-9/ via our partners at collectSPACE.com, and see the full scoop at https://www.space.com/spacex-falcon-9-estes-model-rocket). It's a perfect way for space enthusiasts to experience the thrill of liftoff right in your backyard – just remember to follow safety guidelines for model rocketry!
About This Week In Space: This popular podcast (https://twit.tv/shows/this-week-in-space) dives into the exciting new era of space exploration. Each Friday, we explore captivating topics like the renewed race to the Moon and beyond – when will SpaceX actually land humans on Mars? We cover breaking news, rocket launches, stargazing tips, and so much more, all with a focus on making complex science accessible to everyone.
Join hosts Rod Pyle and Tariq Malik from Space.com (https://www.space.com/) for these weekly sessions every Friday afternoon. Subscribe via your favorite podcast app today!
Meet the Hosts:
Rod Pyle (https://www.pylebooks.com/), host of This Week In Space on TWiT, is a versatile author, journalist, TV producer, and Editor-in-Chief of Ad Astra magazine (https://adastramagazine.com/). With 18 books under his belt (search for them on Amazon at https://www.amazon.com/s?k=rod+pyle+books&ref=nbsbnoss), including titles like Space 2.0, Innovation the NASA Way, Interplanetary Robots, Blueprint for a Battlestar, Amazing Stories of the Space Age, First On the Moon, and Destination Mars, Rod brings a wealth of knowledge from space history and exploration.
In his past career, he produced documentaries for networks like The History Channel, Discovery, and Disney, and worked on visual effects for shows such as Star Trek: Deep Space Nine and the Battlestar Galactica reboot. His latest credit is the NatGeo documentary on Tom Wolfe's The Right Stuff.
Tariq Malik, co-host, oversees Space.com's editorial direction as Editor-in-Chief since 2019, with 18 years in space journalism. Starting as an intern in 2001, he rose to manage the site and cover everything from human spaceflight to astronomy. As a broadcaster, he's appeared on CNN, Fox News, NPR, and more. An Eagle Scout who earned the Space Exploration merit badge, a four-time Space Camp attendee (once as an adult), and a vomit comet rider, Tariq brings real-world experience. Before Space.com, he reported for The Los Angeles Times on city and education news, holding degrees from USC and NYU.
Space.com (https://www.space.com/) stands as the go-to hub for space exploration, innovation, and astronomy updates, celebrating humanity's journey into the unknown. Founded in 1999, it's driven by passionate, professional journalists. The current team includes Editor-in-Chief Tariq Malik; Editor Hanneke Weitering; Senior Space Writer Mike Wall; Senior Writers Meghan Bartels, Chelsea Gohd, and Tereza Pultarova; Staff Writer Alexander Cox (focused on e-commerce); Senior Producer Steve Spaleta for videos; and Social Media Editor Diana Whitcroft.
What do you think – is the idea of snow on the Moon revolutionary, or does it undermine our understanding of lunar geology? Should delays in programs like Artemis III make us question the pace of space exploration, or are they just necessary bumps on the road to Mars? And with commercial players like Blue Origin rising, is this the dawn of a privatized space age, or a step back from international cooperation? Share your thoughts in the comments below – do you agree, disagree, or have a counterpoint we missed? Let's discuss!
