SpaceX's new Gravity Starship Space Station is Actually Better Than You Expected

When you think about a space station today, your mind probably goes straight to those cramped, cluttered modules, the kind that look futuristic on the outside, but inside are an absolute mess. They're packed wall-to-wall with pipes, cables, computers, and scientific equipment. That's how we've been living and working in space for the past 30 years. But SpaceX is about to change that forever. Imagine a space station that doesn't feel like a machine at all. Instead of the usual patchwork of modules, picture something that feels more like a real house back on Earth. Clean rooms, open layouts, very few visible wires or pipes, and a simple, elegant white-and-black color scheme. A place where you can actually live comfortably and do serious space research at the same time. It could even incorporate artificial gravity technology, so astronauts will no longer have to frantically exercise for several hours every day, all in a very human, down-to-Earth style. So, how are they going to pull this off? Simple. They have something no one else has. Starship, the largest spacecraft ever built. But, wait, can Starship actually do that? Why not? Back in June 2023, as part of NASA's Collaborations for Commercial Space Capabilities, basically NASA's urgent plan to deal with the ISS, slowly dying, day by day, they selected seven companies to help develop the next generation space station. And guess what? Right there on NASA's official website, in plain black and white, it says, SpaceX is collaborating with NASA on an integrated low-Earth orbit architecture to provide a growing portfolio of technology with near-term dragon evolution and concurrent Starship development. This architecture includes Starship as a transportation and in-space low-Earth orbit destination element. So, yeah, NASA themselves already confirmed it. Starship isn't just a rocket anymore. It's also being developed to become an actual destination in orbit. And yes, this is genuinely feasible. In fact, it might be one of the most straightforward things SpaceX has ever attempted with Starship. Think about it. Starship was originally designed to keep humans alive for eight months straight on the long journey to Mars. It's also meant to become part of permanent lunar bases. That means it already comes packed with advanced fully integrated life support systems. Everything needed to recycle, air water, manage waste, generate power, and protect the crew from radiation. All of that technology is already built in. But here's what makes this idea so brilliant and surprisingly easy. Instead of flying hundreds of thousands or even millions of kilometers through deep space and then attempting a high-stakes landing on another planet, this Starship only has to go up about 400 kilometers. Basically, a quick hop into low-Earth orbit. No dangerous re-entry, no landing burn, no interplanetary cruise. Just launch on super-heavy reach orbit and stay there. It's almost embarrassingly simple. And it gets even more exciting when you look at the actual numbers for this incredibly versatile vehicle. Right now, we're only on Starship version 352 meters tall and 9 meters in diameter. But Elon Musk is already planning version 4, which will stretch to a staggering 61 meters long. That's like a 17-story skyscraper floating in space. The total internal volume around 3,800 cubic meters. Sure, about 2,800 cubic meters of that will be taken up by the massive liquid methane and liquid oxygen tanks. But even after that, you still have roughly 1,000 cubic meters of usable living space, already bigger than the entire International Space Station, which only has 935 cubic meters. And the best part? We can launch the whole thing in one single flight instead of spending more than a decade launching dozens of modules, assembling them in orbit, and hoping everything connects properly. On top of that, the Starship space station completely solves one of the biggest weaknesses of today's stations. Like the ISS and China's Tiangong, that patchwork modular design. All those awkward corners and narrow bottlenecks make living up there feel more like being stuck inside a submarine than exploring the final frontier. Starship fixes this problem once and for all, thanks to its enormous size. It lets engineers design the interior like a vertical apartment building with multiple decks. You can have an entire floor dedicated to a state-of-the-art research lab, another for private sleeping quarters, and even a zero-gravity garden growing fresh vegetables. And the absolute highlight? The nose cone at the very top. That area can be transformed into a breathtaking 360-degree observation lounge, where you can watch the Earth spin below you and stare out into the infinite cosmos like never before. Here's what's really clever if we reuse those giant fuel tanks after reaching orbit, an idea directly inspired by NASA's Skylab project. From the 1970s, the usable volume can jump all the way up to around 3,000 cubic meters. That's enough room for 15 to 30 people to live in serious comfort compared to the ISS's usual crew of just seven. Another huge advantage is the material. While the ISS is mostly made of aluminum, Starship is built from stainless steel, a far tougher material that handles micrometeoroid impacts and tense radiation, and extreme temperature swings much better. Stainless steel is not only stronger, it's also easier to repair and has a much longer lifespan in space. And then there's the part that still sounds insane, the cost. A single Starship launch could come in under $10 million, ridiculously cheap, when you compare it to the $150 billion it took to build and maintain the ISS. At that price, we won't just launch one. We could launch dozens of them and connect them together. And that opens the door to an even wilder idea. Imagine multiple Starships docked in a giant circle spinning to create artificial gravity through centrifugal force anywhere from 0.3 G all the way up to 1 G. That single feature could completely solve the biggest long-term problem in space, brittle bones and muscle atrophy after months in microgravity. And the story becomes truly fascinating once you step inside and see how life would actually feel aboard a Starship space station. As we've discussed, the interior is organized into multiple decks. At the very bottom, Deck 1 serves as the cargo hold and unpressurized airlock. This is where EVA-suit surface rovers and exploration equipment are stored. A central elevator runs through the core of the ship, making it easy to move between decks in microgravity. Right above it on Deck 2 is the engineering heart of the station, the Environmental Control and Life Support System. This is where water recycling, oxygen generation and air conditioning all come together. SpaceX engineers place these heavy systems low in the vehicle to keep the center of mass stable. One of the most impressive technologies here is the closed-loop recycling system. It works almost exactly like the stillsuit from Dune. Up to 93% of the crew's water from sweat exhaled moisture, and even urine is captured, purified and turned back into clean drinking water. Using the Sabatier reaction, CO2 is converted into fresh oxygen and more water, creating a highly efficient, nearly self-sustaining life support loop. Of course, there's one less glamorous reality. The air sometimes carries a faint recycled smell that crews jokingly call pee air. The water tanks lining the walls also double as a natural radiation shield, giving the crew a safe place to hunker down during solar storms. Moving up to Deck 3, you reach the hygiene and fitness zone. Compact toilets and showers are placed along the curved walls to save space. Exercise here is mandatory at least two hours a day on resistance machines, treadmills with harnesses or stationary bikes. Without it, muscles atrophy rapidly and bones lose density at an alarming rate. In just a few months, an astronaut could return to Earth weaker than a healthy 7-year-old, with bones as fragile as glass. Deck 4 is dedicated to private crew quarters. Thanks to Starship's massive volume, each astronaut gets their own private cabin, a huge upgrade from the sleeping bags velcroed to the walls on earlier stations. Realistic plans show a comfortable capacity of 20 to 24 people, though Elon has boldly suggested it could eventually support up to 100. Deck 5 houses the galley and dining area. You can't fry an egg in microgravity, but rehydrated meals, advanced food tech, and small hydroponic gardens will provide far more variety than today's astronauts enjoy. Imagine biting into fresh lettuce or tomatoes grown on board after months in space that would feel like pure luxury. For relaxation and social time, head to Deck 6. The communal lounge, large windows, big screens, and VR systems help keep minds sharp during long missions. Right above that, Deck 7 functions as the research and operations level, a modern workspace for science data analysis and experiments. At the very top is the flight deck offering the best views and serving as the command center. This would let people walk normally, drink coffee that actually pours and prevent most of the long-term health damage caused by weightlessness. To solve the challenge of docking while spinning engineers, envision a non-rotating central hub where visiting cargo and crew vehicles can connect smoothly before transferring into the rotating sections. But before you get completely swept away by that bright vision, let's hit the brakes for a moment, because this idea does come with some serious drawbacks. The very thing that makes it so convenient is also its biggest weakness, its one single monolithic structure. On the ISS, the station is made up of dozens of separate modules connected by hatches that can be completely sealed. It's complicated, but if one module starts leaking, you close the hatch, isolate the problem, and deal with it, while the rest of the station stays safe. That's exactly what happened with Russia's Vezda module. Launched in 2000, it began leaking air from the PRK transfer tunnel area in 2019. By April 2024, the leak had worsened to 3.7 pounds of air per day. NASA rated it at the highest internal risk level, 5 out of 5. But the crew was never in immediate danger, because they could simply close the hatches and isolate that section. Starship doesn't have that luxury. With one giant continuous hull, if a pressure leak occurs, whether from a micrometeoroid strike, a fatigue crack, after years of extreme thermal cycling, or a material failure, the entire 1,000 plus cubic meters of atmosphere inside would start venting into space. No hatches to close, no modules to isolate. You'd have one big house with a hole in it, and the air rushing out. Even worse, detecting a leak in space is incredibly difficult. Air escaping from one atmosphere into vacuum doesn't make much audible noise inside the spacecraft. Unlike industrial leaks on Earth, it's nearly silent. With Starship, you'd have to design an entire internal leak detection and suppression system from scratch across one continuous volume. SpaceX could of course install internal pressure bulkheads to divide the Starship into separate sealable compartments. But that would essentially bring back the complexity of modular design, just in a different form, and if they don't, then the only real backup plan, in case of a major leak, is rapid evacuation. Which brings us to the second major challenge. There's an ironclad rule in crewed space operations. Every person on the station must have a guaranteed seat on an escape vehicle at all times. If the station operates with seven crew members, same as the current ISS, SpaceX would need at least two crew dragons docked simultaneously, since each dragon carries a maximum of four people. That means two docking ports permanently occupied by rescue ships. Minimum, if we scale up to the more realistic 20 to 24 crew capacity you'd need, at least five crew dragons docked at all times. Five ships, five docking ports, and an extremely complex crew rotation schedule to make sure you never have more people on board than available escape seats. And if Elon's bolder vision of 100 people ever comes true, then you'd need 25 crew dragons docked at once. In theory, it's possible. But in practice, your space station would start looking more like a giant metallic porcupine surrounded by dragons than a clean, elegant orbital habitat. So, what's your take on the Starship space station concept? Do you think it's actually feasible? Drop your thoughts in the comments below. Thanks for watching. On July 15th, NASA published a detailed breakdown of exactly how Artemis III is going to work. And there's a part in there that I think is worth talking about. So, here's the plan. Within a relatively short window, three heavy-lift rockets will lift off from three separate launch pads. Blue Origin goes first, sending Blue Moon into orbit. Then, SLS launches, carrying four actual astronauts aboard Orion. So, yes, real people are on this flight. SpaceX's Starship goes up last. From there, Orion has to find Blue Moon, dock with it, undock, then go find Starship, dock again, and only then bring the crew home. The reason for this order comes down to what each vehicle actually offers. Blue Moon has a real crew cabin, so the astronauts can go inside, move around, and gather actual data on the habitat environment. Starship, on the other hand, has no crew cabin. Which sounds strange, right? And here's where it gets interesting. SpaceX isn't bringing the familiar white Starship HLS up to orbit. As NASA themselves put it, SpaceX plans to use their latest version of Starship, called Version 3, the basis of the future HLS. So, what shows up is essentially a standard Starship V3. Steel hull, black heat shield tiles, control flaps. But with one key addition, a docking port mounted right at the nose. The most significant part, though, is what happens after docking. Starship takes over primary control of the entire combined stack. And this isn't just a handoff on paper. Starship is dramatically larger and heavier than Orion, with a completely different mass distribution and rotational inertia. Every maneuver, every attitude hold, every small orbital correction sends forces through that docking port. The software has to be precise enough that it doesn't cause the stack to oscillate. Overstress the connection. Or push Orion into an unsafe attitude. So the real question this mission has to answer is, can Orion dock with Starship, hand over control, and still keep four astronauts safe throughout? That's the critical test. And, if you want to follow how it plays out, make sure you're subscribed. Now, if you're wondering where the actual HLS is right now, and what the interior looks like, for that, we need to go somewhere a little unexpected. A structure nearly the length of a football field. NASA bought an old McDonnell Douglas warehouse near Houston, poured in 6.2 million gallons of water, and sank full-scale replicas of ISS modules straight to the bottom. That became the Neutral Buoyancy Laboratory, the NBL. For nearly 30 years, every single ISS astronaut has trained here. But here's what's interesting. Sitting right next to those ISS modules at the bottom of that pool, there's now something new. A full-scale mock-up of the Starship HLS, the vehicle SpaceX built to put humans back on the moon within this decade. A video quietly circulating on social media shows that NASA and SpaceX are already training astronauts on that mock-up right here at this facility. But more importantly, the mock-up itself looks significantly different from anything we've seen before. Two details in particular have the community talking. First, there are now two airlocks. Sitting inside that 9-meter stainless steel ring at the base of the HLS. And second, the elevator, the thing that carries astronauts from the crew cabin all the way down to the lunar surface, looks noticeably longer than before. So, what does that actually mean? Let's start with the airlocks. If you've been following HLS Starship for a while, the confirmed design already called for two airlocks, each about 13 cubic meters, double the interior volume of the Apollo lunar module. But there's a big difference between seeing that on a render and seeing it physically built into a mock-up at the bottom of NASA's training pool. That means people are actually getting in, in suits, running real procedures. So, why two airlocks? The obvious answer is speed. But the more important reason is redundancy. If one astronaut goes outside and gets stuck at the airlock door, the person inside needs another way out to help. That's single failure tolerance. The system absorbs one failure without it becoming a catastrophe. And this represents a fundamental shift from how NASA used to approach lunar missions. The night Armstrong and Aldrin landed on the moon, the White House already had a disaster speech ready. Nixon's speechwriter had prepared an event of moon disaster. Nixon would call the widows personally. A priest would perform a burial at sea ceremony. And NASA would cut all communication with Eagle and leave them to die in silence. There was no backup lander, no second option. The technology and the Cold War timeline simply didn't allow for it. That's not acceptable anymore. Beyond redundancy, two airlocks also allow cross-venting. Instead of dumping the entire atmosphere to vacuum every time someone goes outside, you transfer it to the second airlock and recover most of it. On a mission where every kilogram had to be launched from Earth, refueled in orbit, and flown to the moon, that efficiency actually matters. And operationally, two airlocks give the two astronauts on the surface more flexibility. One goes out to prep, while the other monitors from inside. Then they swap. Artemis III will only have two people on the lunar surface. No third crew member staying behind as backup. It's a deliberate calculation. The first crewed lunar landing in over 50 years is risky enough that you minimize exposure and build redundancy into the hardware instead. So, is two airlocks genuinely smart engineering? Or is SpaceX overcomplicating things? What do you think? The second thing, and this one is actually more concerning, is the elevator. You can actually see it in the video. The elevator rail system protruding outward from the hull, right near those two airlocks, noticeably further out than anything we've seen in previous mock-ups or design renders. So, why the change? Picture Starship HLS standing on the moon. 50 meters tall, landing leg spread wide, engine cluster sitting at the base. The elevator basket has to travel along the outside of that hull the entire way, from the crew cabin near the top all the way down to the lunar surface, fully exposed, running right alongside those landing legs at the bottom. If the arm isn't long enough, the basket risks clipping the legs on the way down or hitting a bad approach angle relative to the surface, especially at the lunar south pole, where terrain can slope up to 20 degrees, and the vehicle almost certainly won't be standing perfectly vertical after touchdown. A longer arm buys more clearance from the hull and the legs, improves the approach angle to the surface, and adds stability when the basket is carrying an astronaut in a full EVA suit weighing tens of kilograms. This is exactly the kind of small adjustment that only shows up after someone actually gets into the suit, goes underwater, and discovers the problem firsthand. But there's a much bigger issue sitting underneath all of this. If the elevator fails while both astronauts are standing on the lunar surface, there is currently no other way back into the vehicle. No backup ladder, no external handholds, no secondary route. The HLS program has officially classified the elevator as a top risk and is actively working with SpaceX to develop contingency options. Redundant winches, detachable cable mechanisms that could theoretically be used to haul crew up manually. Not a perfect answer, but at least the thinking is going in the right direction. SpaceX says they're focused on a robust, redundant design, though the specific details haven't been made public yet. What makes this even more uncomfortable is what NASA's own Office of Inspector General put in its March 2026 report. The elevator will never have been tested in actual lunar conditions before crew depends on it. The current uncrewed demonstration flight plan doesn't require the elevator to be included, which means the first time this system operates in a real lunar environment, real regolith, real thermal extremes, real one-sixth gravity, there will be two astronauts on the surface counting on it to get back home. That's the question the community keeps coming back to. The longer arm in the NBL mock-up is a good sign. It means the hardware is evolving based on real feedback from real people in real suits. But the gap between tested in a pool in Houston and first use on the moon with no backup is still very much there. And while we're on the subject of the pool, someone always asks the obvious question. Why use a swimming pool to test something that's supposed to work in lunar gravity? The answer comes straight from NASA's own data. When an astronaut is suited up underwater, the buoyancy can be adjusted to simulate exactly one-sixth g, the same gravity as the moon. To achieve what they call a lunar way out, technicians have to strap roughly 90 pounds of additional weight onto the suit. And because lead weights are too bulky, they switch to tungsten, twice the density, same mass, far less bulk on the suit. The NBL isn't just a training pool. It's the place where every judgment call gets verified before anyone sets foot on the moon for real. Is this space wide enough? Can an astronaut actually operate this in a pressurized suit? How long does this step actually take? All of it gets answered underwater first. There's another question that keeps coming up in the community. What exactly are they doing with all that open space inside the vehicle? Starship HLS has a diameter of 9 meters, roughly the width of a house. The crew living area sits up near the nose. But the entire lower section of the hull, that massive steel cylinder, is propellant tank, not living space. The vehicle looks hollow from the outside, and that's intentional. Starship HLS is a heavily modified variant of the standard starship, landing engines mounted high on the hull to avoid blasting lunar regolith during descent, airlocks and elevator for EVA operations, no heat shield or aerodynamic fins because it never returns to Earth, and a docking port for Orion. That design also explains why the stability question comes up so often. A 14-story structure standing on lunar terrain that can slope up to 20 degrees at the south pole. That sounds like a problem. The OIG report flagged it directly. Slopes of that angle present real navigation and landing challenges, and given starship's height of 171 feet, there's a genuine risk that landing momentum could continue after touchdown and tip the vehicle over. But the counter-argument holds up too. The engines and thrust structure, the heaviest components on the vehicle, sit entirely at the base. Right above them is the liquid oxygen tank, which holds roughly 80% of the total ascent propellant mass. The vehicle looks top-heavy from the outside, but the actual center of mass sits much lower than it appears. Both concerns are legitimate. The tipping risk is real, and NASA has accounted for it through self-leveling landing legs. Whether that's enough is a question that won't be fully answered until the vehicle actually lands somewhere other than a concrete pad in Texas.