space

If the question is whether you have to pay garbage tax for a parking space in Madrid, the answer is: good luck with the Cadastre

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April 8, 2022. The Government publishes in the BOE Law 7/2022, on waste and contaminated soils for a circular economy. Behind this name hides a small bomb that has been exploding, little by little, in each municipality. In Madrid, that detonation has come this year. Beyond the calculation, there are thousands of car parks that are now wondering: do I have to pay the new garbage fee? Where do we come from? My colleague Carlos Prego explained it a few days ago in Xataka. Madrid has recalculated its garbage rate, making reference to the famous Law mentioned above with a calculation that the OCU has come to define as “original and unfair”. The point is that controversy has arisen because Madrid City Council said “eliminate” this rate in 2015, alleging that they removed the tax burden from the citizen. The 2022 Law obliges municipalities with more than 5,000 inhabitants to begin collecting it, following European guidelines. To calculate that rate, The City Council has taken into account the cadastral value of the apartments or the tonnage of garbage that is collected in each neighborhood. That is, those who live in a neighborhood where more garbage is generated will pay more… and that directly affects neighborhoods with great tourist activity (hotels, tourist apartments…), commercial or very densely populated. a truce. The criticism has been so virulent on the part of the oppositionof the neighbors and of the associations of consumers who the City Council has partially rectified. They assure that now it will be taken into account the number of registered in each household looking ahead to next year. But what happens where no one lives? Yes, where, for example, there is a parked car because we are talking about a garage. And the garbage rate also affects the owners of a parking space… At least, apart from them. and a battle. Because although the neighbors seem to have received a truce with the new calculation in the garbage rate, which, yes, the City Council continues to defend that it will have little impact on obvious changes for neighborsthe new open front is what happens to the parking lots. And the door had been opened for a neighbor to have to pay a garbage fee for his home and another garbage fee for his parking lot. Despite the fact that, obviously, the garbage generated by a parking space is minimal or non-existent. Little more than general cleaning if we talk about a community parking lot. However, the rate taxes the provision of the service of collection, transportation and treatment of urban waste, in the words of the College of Administrators. That is, the same person (house and garage) could be charged for a single garbage collection. Who pays then? Those who will pay. Those owners of parking spaces whose parking lot is registered in the Cadastre as a “parking-industrial-use warehouse”, in the words of a circular sent by the Madrid College of Administrators to the Property Administrators of the Capital. What does this mean? They clarify it from the Cadastre which, upon consultation with one of these administrators, have confirmed that they are those independent garages that cannot be accessed from a home or from the common areas of a building. That is, those in which garbage is collected individually. Those who will not pay. Those owners of a parking space whose parking is registered in the Cadastre as “residential use”. Or, in a simplified way by this last entity, which are accessed from a home or from common areas with another building. In that case, they may be communities of different owners (garage and building) but if access is from the same common areas, the former will not pay the garbage fee. What does the City Council say? That they adhere to the type of land use specified in the Cadastre and, therefore, that it is the latter that specifies who should or should not pay the garbage rate. The only solution given in this case by the College of Property Administrators of Madrid is for the community to present a declaration of cadastral alteration to specify that the land use is residential and does not correspond to industrial use. The other alternative is to present a written due to discrepancies with the description of cadastral use. Photo | Kertis Stick and Madrid City Council In Xataka | The best horror movie of this winter has been released. And the protagonists are the owners of a home in Spain

Three Chinese astronauts have delayed their return to Earth due to an impact on the ship. The suspect: space junk

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The crew of the Shenzhou-20 spacecraft, which was scheduled to land this Wednesday in Inner Mongolia, has been forced to postpone its return to Earth. The cause is not bad weather, as is usual in manned flights, but the most feared enemy of modern space exploration: a probable impact of space debris. Evaluating risks. China Manned Space Agency (CMSA) broke the news this morning: The return of the three astronauts aboard Shenzhou-20 has been delayed indefinitely following suspicions that the ship may have been hit by a small piece of space debris. The ship is still docked at the Chinese Tiangong space station, where the crew are safe. The crew and engineers on the ground are analyzing the impact on the ship to try to determine the extent of the damage and assess the risks of the return journey. The problem is reentry. Three people traveled to the Chinese space station in April aboard the Shenzhou-20 spacecraft: Chen Dong, Chen Zhongrui and Wang Jie. The problem is not his immediate survival, but the viability of his ship surviving the atmospheric re-entry maneuver after the impact. In low orbit, objects travel at hypersonic speeds of up to 28,000 km/h. At that speed, even a tiny fragment of metal or paint can release devastating kinetic energy, especially if it hits critical components like the ship’s heat shield or its parachutes. What do we know for now? The CMSA has not specified where it believes the impact occurred or what data alerted them to the event. Now, engineers on the ground and the crew in orbit will perform telemetry checks, check for possible leaks, and analyze the guidance and propulsion systems. They will most likely use the Tiangong station’s 10-meter robotic arm to conduct a detailed visual inspection of Shenzhou-20. If necessary, an extravehicular activity (EVA) or spacewalk is not ruled out to assess the damage closely. A problem that China was trying to avoid. The irony of this incident is that the Shenzhou-20 crew itself is fully aware of the danger. In fact, part of its six-month mission in orbit focused on mitigating this risk. Two of the astronauts six hours passed in September by installing additional protective shields against orbital fragments outside the Tiangong station. Although they reinforced the station, the impact seems to have occurred in the way that would bring them back. Image | CMSA In Xataka | Three large pieces of space debris reenter every day: “one day our luck will run out and they will fall on someone”

AI data centers consume too much energy. Google’s ‘moonshot’ plan is to take them to space

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Training models like ChatGPT, Gemini or Claude requires more and more electricity and water, to the point that the energy consumption of AI threatens to exceed that of entire countries. Data centers have become real resource sinks. According to estimates by the International Energy Agencythe electrical expenditure of data centers could double before 2030, driven by the explosion of generative AI. Faced with this perspective, technology giants are desperately looking for alternatives. And Google believes it has found something that seems straight out of science fiction: sending its artificial intelligence chips into space. Conquering space. The company Project Suncatcher has been revealedan ambitious experiment that sounds like science fiction: placing its TPUs—the chips that power its artificial intelligence—on satellites powered by solar energy. The chosen orbit, sun-synchronous, guarantees almost constant light. In theory, these panels could work 24 hours a day and be up to eight times more efficient than the ones we have on Earth. Google plans to test its technology with two prototype satellites before 2027, in a joint mission with the Planet company. The objective will be to check if its chips and communication systems can survive the space environment and, above all, if it is feasible to perform AI calculations in orbit. The engineering behind the idea. Although it sounds like science fiction, the project has solid scientific bases. Google proposes to build constellations of small satellites—dozens or even hundreds—that orbit in compact formation at an altitude of about 650 kilometers. Each one would have chips on board Trillium TPU connected to each other by laser optical links. Such light beams would allow satellites to “talk” to each other at speeds of up to tens of terabits per second. It is an essential capability to process AI tasks in a distributed manner, as a terrestrial data center would do. The technical challenge is enormous: at these distances, the optical signal weakens quickly. To compensate, the satellites would have to fly just a few hundred meters apart. According to Google’s own studyKeeping them so close will require precise maneuvering, but calculations suggest that small orbit adjustments would be enough to keep the formation stable. In addition, engineers have already tested the radiation resistance of their chips. In an experiment with a 67 MeV proton beam, Trillium TPUs safely withstood a dose three times higher than they would receive during a five-year mission in low orbit. “They are surprisingly robust for space applications,” the company concludes in its preliminary report. The great challenge: making it profitable. Beyond the technical problems, the economic challenge is what is in focus. According to calculations cited by Guardian and Ars Technicaif the launch price falls below $200 per kilogram by the mid-2030s, an orbital data center could be economically comparable to a terrestrial one. The calculation is made in energy cost per kilowatt per year. “Our analysis shows that space data centers are not limited by physics or insurmountable economic barriers,” says the Google team. In space, solar energy is practically unlimited. A panel can perform up to eight times more than on the Earth’s surface and generate almost continuous electricity. That would eliminate the need for huge batteries or water-based cooling systems, one of the biggest environmental problems in today’s data centers. However, not everything shines in a vacuum. As The Guardian recallseach launch emits hundreds of tons of CO₂, and astronomers warn that the growing number of satellites “is like looking at the universe through a windshield full of insects.” Furthermore, flying such compact constellations increases the risk of collisions and space debris, an already worrying threat in low orbit. A race to conquer the sky. Google’s announcement comes in the midst of a fever for space data centers. It is not the only company looking up. Elon Musk recently assured that SpaceX plans to scale its Starlink satellite network—already with more than 10,000 units—to create its own data centers in orbit. “It will be enough to scale the Starlink V3 satellites, which have high-speed laser links. SpaceX is going to do it,” wrote Musk in X. For his part, Jeff Bezos, founder of Amazon and Blue Origin, predicted during the Italian Tech Week that we will see “giant AI training clusters” in space in the next 10 to 20 years. In his vision, these centers would be more efficient and sustainable than terrestrial ones: “We will take advantage of solar energy 24 hours a day, without clouds or night cycles.” Another unexpected actor is Eric Schmidt, former CEO of Google, who bought the rocket company Relativity Space precisely to move in that direction. “Data centers will require tens of additional gigawatts in a few years. Taking them off the Earth may be a necessity, not an option,” Schmidt warned in a hearing before the US Congress. And Nvidia, the AI ​​chip giant, also wants to try his luck: The startup Starcloud, backed by its Inception program, will launch the first H100 GPU into space this month to test a small orbital cluster. Their ultimate goal: a 5-gigawatt data center orbiting the Earth. The new battlefield. The Google project is still in the research phase. There are no prototypes in orbit and no guarantees that there will be any soon. But the mere fact that a company of such caliber has published orbital models, radiation calculations and optical communication tests shows that the concept has already moved from the realm of speculation to that of applied engineering. The project inherits the philosophy of others moonshots of the company —like Waymo’s self-driving cars either quantum computers—: explore impossible ideas until they stop being impossible. The future of computing may not be underground or in huge industrial warehouses, but in swarms of satellites shining in the permanent sun of space. Image | Google Xataka | While Silicon Valley seeks electricity, China subsidizes it: this is how it wants to win the AI ​​war

Building data centers in space was the new hot business. Elon Musk just broke it with a tweet

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The debate over the feasibility of building gigantic data centers in orbit had been heating up for months. It is Silicon Valley’s new big idea to solve the insatiable energy appetite of artificial intelligence. Until, as usual, Elon Musk has entered the conversation with the subtlety of a hammer. Elon Musk has joined the chat. After weeks of debate about the feasibility of building servers in space, Eric Berger, editor of Ars Technica, argued that will end up being a more plausible option when the technology exists to assemble satellites in orbit autonomously. It was the moment chosen by Elon Musk to enter the conversation. “It will be enough to scale the Starlink V3 satellites, which have high-speed laser links,” wrote the CEO of SpaceX. “SpaceX is going to do it,” he said. A phrase that has probably fallen like a blow on startups that are taking advantage of the momentum of AI to go out in search of financing. Why the hell do we want servers in space? The idea of ​​moving computing to Earth orbit responds to a very real crisis: AI is an energy monster, and Demand for data centers continues to grow. Given this panorama, space offers two advantages that are impossible on Earth: Almost unlimited energy: In a sun-synchronous orbit, solar panels receive sunlight almost continuously (more than 95% of the time). Free Cooling: Land-based data centers consume millions of liters of fresh water to cool. With a large enough radiator, the gap can be “an infinite heatsink at -270°C.” The heat would be radiated into the vacuum without wasting a single drop of water. The new titans of space AI. Musk is not the first to see the business. In fact, he arrives at a party where the first contracts are already being distributed. Jeff Bezos predicted during the Italian Tech Week that we will see “giant training clusters” of AI in orbit in the next 10 or 20 years. Eric Schmidt, the former CEO of Google, bought rocket company Relativity Space precisely for this purpose. And Nvidia, the undisputed king of AI hardware, has actively backed startup Starcloud, which plans to launch the first NVIDIA H100 GPU into space this November, with the goal of eventually building a monster 5-gigawatt orbital data center. Why Musk would win. The vision of Bezos, Schmidt and Starcloud faces two colossal obstacles: the cost of launch and the construction of the servers themselves. Calculations for a 1 GW data center would require more than 150 launches with current technology. And Starcloud’s plan for a 4 kilometer wide array is a logistical nightmare. Elon Musk has Starship, the giant rocket on which all of his competitors’ business models depend to be profitable. And you don’t need build a new orbital data center. Just adapt and scale the one you already have. 10,000 satellites and counting. SpaceX’s Starlink constellation no longer competes against satellite internet, goes for terrestrial fiber. Musk’s company has already launched 10,000 satellites and is preparing the deployment of the new V3 satellites, designed for Starship with high-speed laser links. According to SpaceX itself, each Starship launch will add 60 terabits per second of capacity to a network that is already, in practice, a global computing and data mesh. While Starcloud needs to hire a rocket and assemble 4km-wide solar and cooling panels, Musk simply needs Starship to finish development to continue launching satellites. In Xataka | Starlink stopped competing with satellite Internet companies a long time ago: now it is going for something much bigger

Real Betis Balompié has joined the space race to solve a pressing problem: collisions between satellites

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It sounds unlikely, but it is a fact. Real Betis Balompié has entered the space sector. And without leaving Seville. GMV’s new partner. The historic football club and the aerospace company GMV have installed in the Rafael Gordillo sports city a satellite surveillance and tracking antenna. The agreement makes Betis the first football club in the world to host a facility dedicated to the sustainability of the space. More specifically, at pressing space debris challenge and the increasing risk of collisions in orbit. Betis 1 – Space trash 130 million. Earth orbit congestion may not be the main concern of green and white fans, but it is a danger for the satellites we use every daywhether with the car navigator, to see the weather forecast or when we turn on the broadcast of a football match. Thousands of operational satellites coexist with up to 130 million fragments of space debris: pieces of dead satellites and rocket remains that travel at hypersonic speeds and have triggered the evasion maneuvers of the active satellites. It is “one of the great challenges that humanity faces in the orbital environment,” says Miguel Ángel Molina, of GMV. Monitor and prevent. This is where the new 2.7 meter satellite dish installed at the Betis training center in Seville comes into play. Its mission is to track space debris and predict collisions in order to avoid them. To this end, GMV internally developed a system called Focusear. It works by “listening” to the signals that the satellites themselves emit in the Ku band (the same one used by satellite television) from the geostationary orbit, about 36,000 km high. Nanosecond precision. Upon receiving these signals, the system uses radio frequency triangulation techniques (TDoA and FDoA) to determine the position and orbit of the satellites with a margin of error of about three meters, equivalent to 10 nanoseconds. These data are vital to inform satellite operators, who are in charge of managing the evasion maneuvers of their fleets. But also to expand the European Space Surveillance System (EUSST), a catalog of objects that helps prevent large-scale collisions. Why Betis. The Sevillian club had created the Forever Green foundation, whose name has a double meaning. In addition to being green for its kit, Betis has become the most sustainable club in LaLiga (and the second in Europe) in terms of energy efficiency, recycling and water reuse. Expanding this vision of sustainability to space is literally taking its environmental commitment “beyond the Earth,” says Rafa Muela, manager of the foundation. But there is something else. Seville is the headquarters of the Spanish Space Agencyso the choice is not accidental. Somehow the Andalusian capital must be placed on the map of national spatial development. Image | GMV, Real Betis Balompié In Xataka | Three large pieces of space debris reenter every day: “one day our luck will run out and they will fall on someone”

In 20 years “millions of people” will live in space

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We knew that Jeff Bezos was lately more focused on his aerospace ventureBlue Origin, than on Amazon. What we didn’t know was that it has one of the most optimistic visions in the sector about the near future. Don’t be sad. During a talk with John Elkann (president of Ferrari and Stellantis) at the Italian Tech Week TurinBezos did not mince his words. The tycoon said he did not understand how “someone who is alive right now can be discouraged” about the future. The reason for your optimism? A near future where artificial intelligence, robotics and, above all, space exploration, converge in “multiple golden ages.” The future of humanity is not only on Earth; according to Jeff Bezos, it is about to expand exponentially through space. The role of Blue Origin. “I think in the next couple of decades, there will be millions of people living in space; that’s how quickly this is going to accelerate,” said Bezos, who I had already confessed in the past his expectation that Blue Origin will end up being bigger than Amazon. This optimism is not just rhetorical. Bezos is investing billions of his personal fortune each year to build new technologies for the commercial exploitation of space: New Glenn, Blue Origin’s heavy rocket that will make its first mission for NASA in November: launch the Escapade satellite into Mars orbit. Orbital Reef, the commercial space station in the form of a luxury hotel for millionaires that will have scientific modules for when the International Space Station is removed from orbit Blue Moon, the lunar module with which Blue Origin intends to surpass Starship by solving one of the big problems of the SpaceX ship: the evaporation of cryogenic propellants in space. Other lunar developments, such as the ability to make solar cells from lunar regolith. Bezos was clear: “If you’re going to go to the Moon and stay on the Moon, you need to use the Moon’s resources.” Exploit the Moon and space. One of Bezos’ goals is to turn the Moon into an industrial launch pad. “The Moon is a gift from the universe,” he said, noting that its low gravity makes it cost 30 times less energy to launch a kilogram of mass from the Moon than from Earth. In his vision, the Moon becomes a “rocket fuel depot” that will allow us to explore the rest of the solar system. Bezos’ vision directly connects the space race with the other great revolution of the moment: artificial intelligence. AI is a technology with an enormous energy thirst, and its data centers are becoming a true “energy hole” on Earth. Bezos’ solution: get them off the planet. The proposal is build gigantic data centers of gigawatts in space. The advantages are obvious: “We have solar power there 24/7, and solar power there has no clouds, no rain, no weather.” It’s not science fiction. In fact, Bezos predicts that this apparent science fiction will be economically viable very soon: “We will be able to surpass the cost of terrestrial data centers in space within the next two decades.” Space, he believes, will go from being a place for communications satellites to being the center of heavy industry and data infrastructure. In the end, Bezos’ vision unifies all the revolutions underway. If AI and robotics will take over production, what is left for humans? According to him, the freedom to choose. Bezos doesn’t believe we need to live in space to survive. Robotics technology will be so advanced that “we will be able to send robots to do that job.” So why will those millions of people go? Bezos’ answer is simple: “The majority will live there because they want to.” Images | Blue Origin In Xataka | Jeff Bezos has the world’s laziest metaphor for AI: “someone invented the plow and we all got rich”

Europe has done the only thing it could do to compete with SpaceX and China in space: merge its largest companies

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Europe has grown tired of watching from the sidelines how SpaceX and, increasingly, Chinaredefine the rules of the game in space. The continent’s response was inevitable: a historic fusion. The three European aerospace giants, Airbus, Leonardo and Thales, have signed a memorandum of understanding to combine its spatial divisions into a single, colossal enterprise. Merge or die. This is not news that we break every day. It is the most ambitious move in the European aerospace industry since the creation of the MBDA missile consortium in 2001. And at the same time, it is not an offensive move, but a strategic survival maneuver. Given the agility of reusable rockets and Elon Musk’s megaconstellations, the fragmentation of Europe had become an unsustainable burden. Now, the plan is to create a European champion with the critical mass necessary to at least be able to compete. A colossus about to be born. The agreement, which It’s been brewing for months. under the code name “Project Bromo”, it will give rise to a new company that, if approved by regulators, could be operational in 2027. The figures used give an idea of ​​the scale of the operation: a combined annual turnover of 6.5 billion euros, and nearly 25,000 employees spread throughout Europe. Airbus will have the majority stake with 35%, while the Italian Leonardo and the French Thales will share the rest almost equally, with 32.5% each. Despite the majority of Airbus, the government of the new colossus will be “balanced” and under joint control, as reported by the companies. What does each one contribute? Each partner will contribute his crown jewels in the space sector. Airbus will contribute with its Space Systems and Digital Space businesses. Leonardo will bring its Space Division to the table, including its valuable stakes in Telespazio and Thales Alenia Space. Thales will mainly contribute its shares in those same joint ventures (Thales Alenia Space and Telespazio) and Thales SESO. Why it was inevitable. The harsh reality is that Europe was falling behind, and very quickly. SpaceX’s disruption has been brutal, especially on two fronts: launch and satellites. While Europe continues recovering lost ground With the development of its Ariane rockets, Elon Musk’s company has not only radically lowered the cost of putting something into orbit, but has flooded the sky with its Starlink constellation and its military version, Starshield. Beating SpaceX is no longer possible. On October 19, the company surpassed a staggering number of 10,000 Starlink satellites launched in just over 300 launches of the Falcon 9 rocket. This network of small satellites has cannibalized the traditional market for large and expensive geostationary satellites, the pillar on which the business of European companies was based. The only thing Europe can do, and what this new giant is destined to do, is recover its technological sovereignty in space and, with it, its security. Image | Airbus In Xataka | “We are the company that has developed an orbital rocket the fastest”: PLD Space, one step away from making history from Spain

AI is running out of power in this world. So Nvidia has opted for servers in space

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The energy appetite of data centers is nothing new. Elon Musk predicts a shortage of transformers in two years. Sam Altman believes we will need an energy revolution, such as nuclear fusion, to keep pace. The planet was not prepared for so much energy demand. And that’s why Nvidia is funding a possible solution: deploy the servers outside of Earth. It’s not science fiction. It is the business model of several startups that propose building the next hyperdata centers in Earth orbit and even on the Moon. The idea, which until recently sounded far-fetched, is gaining traction driven mainly by two factors: the insatiable demand for AI and the low-cost launches that Starship promises. One of the companies leading this idea is Starcloud, supported by the NVIDIA Inception program. And he is so serious that he plans to launch his first satellite, the Starcloud-1in November. On board it will carry the first GPU for data centers launched into space: an NVIDIA H100. The difficult part will come later. Starcloud-1 is a test unit the size of a small refrigerator, but the company’s goal is to build a monster five-gigawatt orbital data center. Adding the solar panels and the enormous radiator, it would measure four kilometers wide. Its goal is the training of large AI models in orbit. Why in space? As detailed in an extensive white paperfuture models like GPT-6 or Llama 5 could require multi-gigawatt clusters, something “simply impossible with the current energy infrastructure” on Earth. In space, there is no such limitation. It’s more. According to Starcloud calculations, server energy costs are 10 times lower in space than on Earth. The value proposition of space data centers is based precisely on two pillars that are a problem on Earth: energy and cooling. Solar energy 24/7. On Earth, solar energy is intermittent. They depend on the day/night cycle, the weather and the atmosphere, which attenuates the radiation. In space, things change. By placing your data centers in a sun-synchronous “dawn-dusk” orbit, Satellites follow the line that divides day and night on Earth. With the panels illuminated by the sun almost continuously, the system increases its capacity to more than 95%. “Almost unlimited, low-cost renewable energy,” in the words of Starcloud. And the refrigeration? How would they dissipate all that heat? Land-based data centers consume millions of liters of fresh water to cool. There is no water in space, but they have something much better: an infinite heatsink at -270°C. The plan is not to ventilate the servers. The heat generated by GPUs (such as the H100) will be managed within sealed modules using liquid cooling (direct-to-chip or immersion), like high-performance systems on Earth. The difference is that this hot liquid does not go to an evaporation tower, but is pumped to gigantic radiator panels. These panels simply radiate waste heat into the vacuum of space in the form of infrared radiation. The Starcloud white paper details the calculations using the Stefan-Boltzmann law, estimating that a radiator at 20°C can cleanly dissipate more than 630 watts per square meter. Without using a single drop of water. Not everything that glitters in space is gold. The pillar that supports this entire concept is the launch of high-capacity reusable rockets, such as SpaceX’s Starship. Starcloud calculations are based on a long-term cost of $30 per kilo put into orbit. But Starship is not ready, and it is certainly far from achieving its full and rapid reusability capability. If that cost does not materialize, the economic viability of the system collapses. The other big problem is radiation. Commercial GPUs are not designed for space. Cosmic radiation and solar flares can fry electronics. The solution is shielding, which adds mass and therefore launch cost. Not to mention that maintenance is not possible with current technology.

As if we didn’t have enough climate worries on Earth, a new threat is coming: space tornadoes

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Before we looked at the sky to predict the weather. Now we look at the forecast in an app provided by incredibly powerful simulations based on radar and satellite data. Thus, we can see the path of a hurricane days before it makes landfall, potentially saving thousands of lives. But what about the “tornadoes” that come from space? Sorry? It turns out that interplanetary space is not a quiet vacuum, and a new study warns of a phenomenon that has already been baptized with a disturbing name: “space tornadoes.” They are not wind funnels that carry the debris of the galaxy with them; They are actually rotating vortexes of plasma and magnetic fields that travel at insane speeds through space. But the most worrying thing is not that they exist, but where are formed. The research reveals that these vortices do not necessarily originate from the Sun, but can be born spontaneously in deep space, as a result of collisions between larger solar storms. And yes, they are powerful enough to wreak havoc on Earth. A magnetic problem. When astronomers talk about space weather, they’re not talking about a meteor shower. The weather engine of our solar system is the Sun. From time to time, our star spits out gigantic eruptions of charged particles and magnetic fields. The most powerful event of this type is Coronal Mass Ejections (CMEs). CMEs travel at speeds of up to 2,900 kilometers per second. When one hits the Earth, it interacts with our natural magnetic shield (the magnetosphere) and can cause a geomagnetic storm. The good thing is that this interaction produces incredibly beautiful northern and southern lights. The downside is that a severe geomagnetic storm can interfere with power grids, overheat transformers to the point of failure, and damage satellites vital to communications and GPS. The mystery of ghost storms. This is where the new research begins. In 2023, a team of scientists at the University of Michigan ran into a problem: They were recording geomagnetic storms on Earth that didn’t match any CME that had been predicted to hit us. They were “phantom storms.” The hypothesis: that smaller, more dangerous space weather events were forming on the way from the Sun to the Earth, rather than directly at the Sun. According to a paper by the researchers in The ConversationThe main suspect was structures known as “flux ropes,” bundles of magnetic fields twisted back on themselves that are affectionately referred to as magnetic tornadoes. They had already been observed, but their exact origin and whether they were powerful enough to cause problems on their own were unknown. The problem was how to detect them. Current space weather simulations are designed to look at “big” things (CMEs), not little vortices. These flux ropes were too small for the models to resolve. The researchers compare it to “trying to forecast a hurricane with a simulation that only shows you global weather patterns.” Since they couldn’t increase the resolution of the entire solar system (it would be computationally prohibitive), the team did something smarter: they created an ultra-high-resolution simulation “corridor,” nearly 100 times finer than previous models, centered on the path of a specific solar flare that occurred in May 2024. And then they saw them. The simulation revealed the birth mechanism of these tornadoes. It happened when the CME “crashed” into the slower solar wind in front of it. The researchers’ own analogy is perfect: it was like “watching a hurricane generate a cluster of tornadoes in its wake.” The study confirms this phenomenon for the first time through simulation. The collision between the CME and the solar wind creates an intense “current sheet.” In that area, a process called magnetic reconnection (when magnetic field lines violently break and reconfigure) “spits out” these mesoscale vortices. Why are they dangerous? The simulation demonstrated that these mesoscopic “flow ropes” are not minor phenomena. They contain magnetic fields (about 30 nanoTeslas) “strong enough to trigger a significant geomagnetic storm” on their own. The real danger is that, to our current systems, they are almost invisible. While a giant CME is an obvious and massive threat that we can track from the Sun, these “space tornadoes” that form along the way would appear, at best, as a “small blip” on monitors. We could be hit by a geomagnetic storm capable of damaging the electrical grid with little prior warning. Our best weapon. Satellite constellations. This discovery shows that our way of monitoring space weather is insufficient. Instead of single-point satellites (like the DSCOVR observatory, which can only measure what passes in front of it), we need a constellation of satellites flying in formation. Researchers have proposed a mission designed precisely for this. It would be called SWIFT (Space Weather Investigation Frontier) and it would be a constellation of four satellites flying in a tetrahedron formation, capable of measuring these vortices with precision. Only by measuring the same phenomenon from multiple points at the same time can we understand its real 3D structure and its danger. Image | NOAA, Mojtaba Akhavan-Tafti and Chip Manchester In Xataka | NASA has calculated how much time we would have to prepare for a devastating solar storm and has set to work to get that time

PLD Space, one step away from becoming the company that has developed an orbital rocket the fastest

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Whether in the Elche factory, on a test bench at Teruel airport or on the launch pad under construction in French Guiana, PLD Space is abuzz. The company advances one milestone per week and he tells us why: the Miura 5 rocket is practically ready at the design level. “I would tell you that it is 99%,” says Raúl Torres, CEO of the company, in an interview with Xataka. Candidate to become the Europe’s first private orbital rocketthe Miura 5 is about to finish the Critical Design Review (CDR) and take shape for the first time. “Now we are finishing the QM1 qualification models and starting the QM2, which means that shortly, and I’ll leave it there, we are going to have a first teachable Miura 5,” he reveals for the first time. This first fully integrated model will not fly, but will allow PLD to close engineering fronts and carry out key tests before the end of the year. If everything goes according to plan, the rocket chosen to take off will begin assembly in January. “The idea would be that in May we would be in Guyana to start doing the combined tests with the French space agency CNES,” confirms Torres, adjusting the schedule that originally pointed to a launch at the end of 2025. It is not an unexpected adjustment, but it was pending official confirmation since Chris Larmour, founder of Orbex, PLD’s British competitor, 1,000 euros were bet with Raúl Torres that the Miura 5 would not fly in 2025. Raúl accepted the bet. Will he pay Larmour now? “We have invited him to come sign the rocket at the end of the year, we are waiting for him to answer us,” says Torres. “I would like Orbex to also invite me at the end of the year to sign their rocket. Mine is going to sign it, so I only have to pay half of the bet.” Works in Guayana, lighting in Teruel If the Miura 5 flies in early 2026, PLD Space will be one of the fastest companies to have developed an orbital launcher, which is even more impressive considering the Spanish company’s financing compared to several of its competitors. But PLD Space is not starting from scratch. The successful launch of the Miura 1 suborbital rocket in October 2023 was the graduation of a team that now faces a higher challenge. “Miura 1 has been like primary school, ESO and high school, and now we are at university,” explains Torres. “That is why we have developed Miura 5 so quickly, because we have gone one step ahead with many developments.” Technologies such as the stage power system, cryogenic protections or the welding techniques of the Miura 5 are a direct inheritance from its little brother. However, “university” brings new and more complicated subjects. The most obvious technological leap is in the Miura 5 engines. The five TEPREL-C of the first stage and the vacuum-optimized TEPREL-C of the second They are beasts of another categoryespecially due to the introduction of turbopumps. PLD has developed most of the critical components in-house, such as liquid oxygen and kerosene valves. Combustion chambers are manufactured by electroplating copper and nickel, turbopump housings are 3D printed, and high-precision rotating components are machined. The objective is to achieve a production rate that allows one engine to be manufactured every two weeks in the Elche warehouse. PLD Space passed a fundamental milestone on October 6 with the first static ignition of a fully integrated TEPREL-C Vac in its facilities at Teruel airport. With 75 kN of thrust, it is one of the most powerful vacuum engines ever powered by a private company in Europe. But the real muscle of the rocket will be in the five TEPREL-C engines responsible for takeoff. Each one has 190 kN of thrust, almost double than its competitors. When will we see the first roar of a Miura 5 with the TEPREL-C fully integrated? “In one quarter you should expect the long and qualification tests of both the first and second stages, and also the restart test of both engines,” Torres told Xataka. To validate each component, PLD Space has also deployed new infrastructure at the Teruel airport. The T3 bench has been the protagonist of the static and compression tests of the rocket structures. Valves and gas generators are tested on bench T6. Bench T7 will be used for qualification of first stage Teprel-C engines and second stage long duration ignitions. The T9 bench will be used to test the separation between the first and second stages. Meanwhile, thousands of kilometers across the Atlantic, PLD Space construction in French Guiana has begun. PLD has become the first New Space company to begin construction of its own launch base at the Guyana Space Center. “It is very likely that Miura 5 will be before Kourou’s works,” says Torres. The first structures of the launch pad They are being built in Spain. The rocket should arrive in South America in May. Advances in reuse since flight 1 Inspired by SpaceX, PLD does not conceive of a modern launcher without reuse. And their plan for the Miura 5 is to start collecting landing data from the first flight. If it achieves stage separation on its debut launch, the rocket will perform a maneuver boostback like that of the Falcon 9. “In flight one mission, in the test flight that we will do next year, we are going to try to re-enter the stage,” confirms Torres. After separation, the rocket will turn around and turn on its central engine for a few seconds to brake. “The booster will be ready to re-enter. We don’t want to miss the slightest opportunity to collect data.” And he talks about data because he does not expect to recover the rocket. “Evidently, it’s not going to happen the first time.” The first flight won’t even have a parachute. The main objective is to survive reentry from a hypersonic speed at Mach … Read more

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