Black Hole Jets Dance, MAVEN's Mars Mission Ends, and Earth's Rare Blue Micro Moon

This is Space Time Series twenty nine, Episode sixty eight, for broadcast on the eighth of June twenty twenty six. Coming up on Space Time, how black holes shape the Cosmos, NASA forced to end its maven Mars mission, and Planet Earth gets a rare blue micromoon. All that and more coming up on space Time. Welcome to Space Time with Stuart Gary. A new study has revealed how powerful jets generated by black holes have shaped the universe. The findings reported in the journal Nature Astronomy, based on measurements of the jets emanating from Signus x one system, made up of the first confirmed black hole and a blue supergiant star. The authors found that the power of the jets in Signus x one was equivalent to the power output of ten thousand sons. Black hole jets provide an important source of feedback to the surrounding environment, and they're critical to understanding the evolution of galaxies. Located some seven three hundred light years away, the black hole in Signus X one has around twenty one point two solar masses, while it's still a companion is a variable spertual type O blue supergiant of about forty solar masses the pair all but each other every five point six earth days at an average distance of zero point two astronomical units. That's about twenty percent of the distance between the Earth and the Sun. The Signus X one system appears to belong to a stellar association called Signus OB three, and that would mean Signus X one's probably around five million years old, and like its binary companion, was formed by a progenitor star that had more than what he saw the masses. These arise from gases being accreted onto the black hole from the Blue supergiant and then heated extremely high temperatures. To make their measurements, the authors used a radio telescope into ferometer into perometers link up mudible observatories around the planet, and this gave the astronomers the resolution they needed to measure the immense power being generated by the jets from the black hole, and the authors observed the black hole jets being buffeted by winds from the companion Bleue Supergiant as the black hole moved around it in its orbit, much like strong winds on Earth will push around water in a fountain. By knowing the power of the wind and measuring how much the jets were bent, the authors could determine the instantaneous power of the jets for the first time, and they were also able to determine the speed of the black hole jets to be about half that of the speed of light one hundred and fifty thousand kilometus per second, another measurement that had giant scientists for decades. The studies lead. Author, Steve Preibu from Curtain Universe, says he was able to make the measurements using a sequence of images of the dancing jets, a term he used to describe the jets movement patterns as they were repeatedly deflected in different directions by the blue super giants powerful stellar winds. Prabo says the measurements allowed the authors to understand what fraction of the energy released around the black hole was likely to be deposited in the surrounding environment, thereby changing that environment. Prey Billin colleagues found that around ten percent of the energy falling towards the black hole was being carried away by the jets. Previous methods could only measure the average jet power over thousands or even millions of years, preventing accurate comparisons with the X ray energy released instantaneously from the infalling matter. Rabou says astronomers can now use this measurement to anchor their understanding of the jets, whether they're formed from black holes ten or ten million times the mass of our Sun six one. It is the first widely accepted confirmed black holes within the astronomy community, and that was even a rager between Kipton and even talking back in the nineteen seventies if they thought the system could actually have a black hole. Over the last few decades, it taught us a lot regarding black holes and jet and how they can influence their surrounding and even though we understand a lot regarding the source, we'll have a few options. So that's when the three years ago we started looking into some of these high resolution radio images of the black hole, and that's when they saw that the jets were actually bending because of star that's orbiting the black hole, and it's got really massive strong winds that can actually push the jets around and make it appear as a dancing And we also found like it are to be the equivalent of ten thousand suns. And then the York they had like the key measurements of this source. Roughly speaking, about ten percent of the material falling onto the black hole is throwing back at again in the form of these jets. Yes, is actually a very important measurement. So black holes have something called as an energy budget, like how like how we budget our income into different things. The black hole also has called it an energy budget. So there is energy going to the black hole because the material is falling into the black hole. But then they can budget it too different things O Diferently, some of it can get eaten by the black holes or trying to understand percentage of the infalling heal or energy gets kind of judgeted to like a very important measurement. So that's what we found to be around ten percent. So in literature with an astronomy, because a number has been ad hoc assumptions, they've declomined that number in like literature, but there was never like a direct evidence of it. So this is the first time we have like a diferant observation evidence of it. Because all black holes are basically the same, you can use those observations to extrapolate onto other black holes as well, bigger ones and smaller ones. Very very true. Yes, So like I like to imagine, like imagine that using Earth, Moon and star the Sun. So we know the Moon goes around the Earth and then there is like orbital motion of the Moon around the Earth, and it can apply Settler's loss and you can actually take the same physics and scale it up to Earth and the Sun. Those like the masses are different. You're just scaling it up, and the same deeplarium laws apply when Earth goes around the Sun as when the Moon goes around the Sun. So similarly, you can take this ten person's energy budget off the black hole and scale it up to super massive black holes. And the reason that is very important is because in every galaxy at the center of it, there is a super massive black hole that can weigh a few millions to billion times the mass of the Sun. These jets are large, like very very large jets, and they're suggest from the super massive black holes can deposit lots of plasma and magnetic seals in the mediums between galaxies and surrounding galaxies, and that heavily, heavily influences how like galaxies and large scale structures, the universe evolves over time, so that in these large scale simulations. That energy budget of black hoes is like a tenable number that they play around with and then they set it to like ten percent because of their models. But our detection actually puts it on like very strong observational zoning and robusts. Now, how did you carry out the observations? So we use this few instruments called two instruments actually in our studies. So one is called the VOBA very Long Baseline interfometry and the other is called European VOBA realbi. So essentially these two telescopes are like lots of telescopes spread within a continent, as a VOBA is in the US and even is in the Europe and multiple telescopes spread across the continent. They work together and synthesize a very high resolution image in radio frequencies. So it's a slightly smaller version of the event horizon telescope that made image of the black hole in our galaxy and maybe seven like two grow it's a slightly smaller version of that. So the eventorizing telescope scales the size of the Earth. Our telescope ans the size of the continent. So we use those two instruments to make very high resolution images of the black hole jet and yeah, we were able to study it in very high detailed revolution detail. Do we know how the jets themselves? These beams of matter and energy coming out of the black holes? Do we know how they created? We had like theories on how black holes launched jets from like nineteen teventies and eighties. So the black hole has materials falling toward bit because the black hole is a very dense point in space. And the point about black hole being is that they can also spend. So because they spin, they can warp and they can twist to space them around them. So we call that frame dragon. So because of that effects, the black hole tends to warp and twist all the magnetic field in its vicinity into like a helical field along the axis that it and just magnetic fields are responsible for launching of the jets. So essentially it paps into the spin energy of the black hole to launch the jets to create the magnetic fields which launches the jet. And you're able to confirm also the speed at which the jets are moving out from the black hole. Yes, so because the jets were bending, it opened bending, it opened up like a new way of studying the black hole jet, and that this new method that enabled us to measure the speed of the jet as well, So we found it to be traveling at like half the speed of light. So that's like a lot of materials carried away from the black holes at the speed of light and hence producing the energy equalent. The jets that we to set the scale the jets that we detect to the black hole itself is around one hundred kilometers, so twenty one times the mass of the Sun compressed to a size or one hundred kilometers and the jets launched from the black holes fand the size of OURSELT system to set things, yeah, to set the scene for the system. Like to see this research go next. So there are a few other systems where there are similar massive stars orbiting either a black hole or a neutron start. I think Significs one is probably the easiest low standing fruits that you can apply this technique too. But there are other systems of similar massive strong wind and black hole jets from like either black holes and jets neutron starts that you can apply similar techniques to. So Amaha, let's look at similar other systems to see as we can also estimate their powers and just feed another system parameters. Let's doctor Steve Prebu from Kurtney University, and this is space Time. Still the calm. That's a force to end. It's Marvin mission to Mars and planet Earth gets a red blue micromoon. All that and more, still the Calm on space Time. This episode of space Time is brought to you by Nord VP in space Times Official VPN service. Let's face it, these days, your online privacy is more important than ever. Whether you're streaming science documentaries, reading the latest research, or exploring deep space images, you don't want your data to be tracked or your location exposed. With NordVPN, one click is all it takes to secure your Internet connection. 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So protect your digital life, support space time and grab our exclusive offer now at NordVPN dot com slash stewart Gary. That's NordVPN dot com slash stewart Gary. NASA has been forced to shut down It's a mavon mission orbiting Mars following a mysterious failure aboard the spacecraft back in December. The probe suddenly went silent on December the sixth as it was passing behind Mars. Attempts to re establish the signal after it came around the red planet slim back into view of the Earth were unsuccessful. The Mars Atmosphere and Volatile Evolution, or MAVEN spacecraft was the first mission devoted to observing the Martian atmosphere and evolution. It's been orbiting Mars for eleven years. The agency convened an anomaly Review Board in February to try and evaluate recovery efforts and assess the spacecraft's probable current state, and the review boards now determined the maven's spacecraft cannot be saved, it's not recoverable, and it's no longer capable of performing its science and data relay missions. Telemetry from MAVEN prior to the spacecraft's passage behind Mars in December showed all its subsystems were working nominally, but after the spacecraft emerged, NASA's Deep Space Communications network did not receive a signal. A brief fragment of telemetry data from analysis of radio signals recorded by the Deep Space network's open loop receivers indicated the probe wasn't a safe mode, but was rotating at an unusually high rate when it emerged from behind Mars, indicating a disruption in maven's orbital trajectory. The review boards concluded that due to this rotation the batteries on the spacecraft had now drained, causing the communication system to lose power and rendering maven As unrecoverable. Now, these plminary findings don't address a potential root cause for the anomaly that's still being investigated. The review boards. Now expected to provide its final report later this year. The science may have been gathered has provided valuable information about the kind of radiation protection and safety measures will be needed before the first humans are sent to the Red Planet sometime in the next decade. The launched back in November twenty thirteen, The mayn mission explored the Red Planet's upper atmosphere it's a hoosphere, and the interactions between the atmosphere and the Sun in order to investigate the loss of the Martian atmosphere into space. Understanding atmospheric loss give scientists insights into the history of the planet's atmosphere and climate, liquid water, and planetary habitability. Mayven discovered that the erosion of the Martian atmosphere increases significantly during solar storms. Scientists studied how the solar wind that's the constant stream of charged particles flowing out from the Sun, and storms, which are more powerful bursts of particles continuously strip the red planet's atmosphere, and this provides a key insight into how Mars was transformed from a warm, wet world potentially capable of supporting life into the sterile, freeze dried desert it is today, and Maybeon was the only spacecraft that could simultaneously take measurements of both the Sun and the Martian atmospheric response. It discovered several types. Of Martian arore that light up when energetic particles plunge into the planet's atmosphere, bombarding gases and making them glow. Maybon showed that the protons create new kinds of arorare on Mars. On Earth, proton aurore only occur in very small regions near the poles, whereas on Mars they can occur anywhere. To better understand how Mars lost most of its atmosphere, May even measured atmosphere sputtering for the first time on any planet. It observed argon, which is a noble gas, meaning it rarely reacts with other constituents in the Martian atmosphere. The only significant way argon can be removed is by atmosphere spattering, a process where ions crash into the Martian atmosphere at high enough speeds so that they splash gas molecules out of the atmosphere, much like doing a cannonball into a pool. Astronomers used eleven years of Marvin data to show the presence of sputted argon at high altitudes in the exact locations where the energetic particles crashed into the atmosphere, showing sputtering in real time. In twenty eighteen, this series of Martian dust storms created a dust cloud so large it enveloped the entire planet. Mayven then studied how this global dust storm affected the upper Martian atmosphere in order to understand how these events affected the escape of water into space. It confirmed that heating from dust storms can loft water molecules far higher into the atmosphere than usual, leading to a sudden surge in water lost to space, and it doesn't end there. Mayven also contributed to NASA's efforts to observe the interstallar comet three I outlus. Over the course of ten days last year, Mayven observed three I outlets, taking multiple images of the comet in modible wavelengths, including high resolution ultraviolet images to identify the hydrogen coming from the comet. By stating a combination of these images, scientists can identify a variety of molecules to better understand the commet's composition and history. During the mission's lifetime, Mayven science team produced more than eight hundred publications and additional publications in the works now as the backlog of data is processed. In addition to its science work, Maven was also a key part of NASA's Mars Relay network, communicating data from the Mars rovers back to Earth. In fact, it holds the Solar System record for the most data relayed from another planet in a single day. And so it's farewell to Maven, a spacecraft which will be sorely missed. This is space time. Still the comme planet Earth gets a rare blue micromoon, and later in the science report, paleontologists of identified fossils of a new species of raptorlike dinosaur in South America. All that and more still to come on space time, skywatchers have just experienced a rare blue micromon. The title comes from the fact that well it's a blue moon, Monjeet. That's got nothing to do with the moon's color. It refers to the rare event when a second full moon occurs in the same calendar month. However, technically that's not quite accurate. In astronomical terms, a blue moon occurs when there's an extra full moon in an astronomical season of three months, a period between equinarchs and solstices, which would normally only have three full moons, and due to the way the lunar cycle aligns with the solar calendar, a season may occasionally have four full moons, and so the third full moon in that four moon sequence is what's referred to as a blue moon. Now. As for the micromoon part of the title, well, it refers to the Moon being at Apergee, that's its most distant orbital position from the Earth. The Moon's orbit around the Earth isn't circular, but elongated, and when the Moon's at its furthest from the Earth, it looks an it's a bits a bit smaller and dimmer than normal, hence the term micromon. Now, on this occasion, at Apergee, the Moon was some four hundred and six one hundred and thirty five kilometers away. That compares to the average Earth moon distance of three hundred and eighty four thousand, four hundred kilometers. The opposite is the much heralded supermoon that's when a full moon happens while it's orbit's closest to the Earth called perigee, and the most recent supermoon was back on December the fourth last year, when the Moon was just three undred and sixty two three hundred and twelve kilometers away. Now, for the. Technically minded, during the recent micromoon event, most celestial neighbor appeared to be about six percent smaller and ten percent timm than that of an average full moon. Of course, in real life that difference is extremely subtle. Most people wouldn't have noticed it, and even if you knew, you probably would have needed measuring equipment to tell the difference for sure. This space time. And time that to take a brief look at some of the other stories making news and science this week with a science report, the World Meteorological Organization has again confirmed that an El Nino climate event is expected to develop this month, and they now say it's expected to last until at least the Southern Hemisphere spring. An El Nino event can bring hotter, dry conditions across much of Australia, driven by warming sea surface temperatures in the tropical easter. The Wood Meteorological Organization says there's now a ninety percent certainty that this patent will develop in coming months, bringing an increased risk of extreme climate and weather events across a. Large part of the world. A new study claims that up to one in six cases of COVID nineteen might have resulted in patients suffering long COVID. The findings, reported in the Journal of the American Medical Association, investigated some four hundred and fifty eight thousand patients with COVID nineteen across fifty eight hospitals in the United States, and the authors found long COVID occurred in sixteen point two eight percent of all cases. They also found that almost ninety percent of these long COVID cases were representative of chronic conditions, meaning that nine to ten people with the condition had it for extended periods of time, usually six months or longer. The World Health Organization says over seven point one million people have been killed by the COVID nineteen coronavirus since it was first detected among workers at China's Wuhan Institute of Virology back in September twenty nine, twenty eight thousand deaths were caused by the virus in Australia. The Lancet Medical Journal estimates that the true global death toll is likely to be more than eighteen million, with over three quarters of a billion confirm cases globally. Paleontologists of identified fossils from a new species of raptorlike dinosaur uncovered in Patagonia. A report in the Journal of Vertebrate Paleontology claims the three met a long fish eating archosaur would have behaved a lot like modern day herons. The dinosaur has been named kank australas it was identified based on teeth vertebran toeburns. It's related to a family of small to medium sized Therapi dinosaurs have been discovered from the late Cretaceous period in Australia, South America, Antarctica, and Madagascar. It lived more than seventy million years ago in the landscape of meandering rivers and streams with seasonal ponds inhabited by aquatic plants such as water lilies and animals including fish, insects, oluscs. A new study has shown that many so called anti vaxxes eventually changed their mind get the JAB after all. A report by researchers at Imperial College London found that nearly two thirds of people who initially expressed reservations about the COVID nineteen vaccination were eventually vaccinated during the campaign. The Skeptics timendum says the study found that reluctance was heist early in the campaign. He says, in January twenty twenty one, eight percent of respondents still expressed doubts about vaccination, but by early twenty twenty two that figure had fallen to only around one percent. Basically, it's saying that a lot of people who were hesitant to get vaccinated when the COVID outbreak first occurred later when and got vaccinated, they actually looked at a huge number of people, over a million people. They had records to say, you know, obviously they've had a record for people who have been vaccinated. They looked at those who hadn't been vaccinated from the first outbreak and who later did get vaccinated. So I was saying in January twenty twenty one to eight percent of respondents to the Things expressed doubts, but by early twenty twenty two that doubt figure has fallen to one percent. In any vaccination population profile, you're going to get a majority of people are vaccinated. They understand it, it's worthwhile, they understand it has proven benefit. And you get a small percentage of people who can't get vaccinated because they're medically compromised. You get the people who are hesitant. Oh this I don't know. And they suggested that people are hesitant for various reasons. There's one survey is that a look that said a lot of women are hesitan because they don't know what's in them, or they think it's going to affect when personally like the ability they have babies, that sort of thing. Little kids don't think that they don't like needles, And I say, men don't laughing because they don't think it's a bigger problem is being made out to be. So a lot of the people who are hesitant eventually do get vaccinated. So there's harage number of people who don't get vaccinated. Do they still also have that other little cohort of the population who are the anti vaxxis And it doesn't matter what you say to them or what evidence you put forward, they won't get vaccinated. And they sadly encourage others by spreading fear and misunderstanding and misinformation about what vaccinations needs and what it can do. Why because they're just pain in the backside how much? And is a problem of journals like well, in this case the Lancet Medical Journal, they allowed Wakefield and people like him to spread their lives for years. Yes, yeah, I mean it's still just a popular press on the TV shows and think the Lancer I recognized learned the journal. It was one decade before the Lancet retracted the story even though they knew what was wrong. Yes, they need took a helmibalone time to do that. Andrew Wakefield and a number of other people wrote had an article suggesting there might be issues with the MMR, the Measles Month rebella vaccine, the fact that Andrew Wakefield was working on an alternative vaccine. It was decided the point they had issues with the vaccines. Wakefield then said in publicity for this thing, and there's a lot of publicity that the MMR vaccine can lead to autism. So a lot of parents, especially in the UK Wakefield work stopped vaccinating and then some of their fire there's outbreaks of measles, mumps and rebella, which which can be fatal. So because of this guy making these claims that it could lead to autism, thoroughly debunk no foundation for the theory. It's been so widely tested in them if they tested a million people or something, the hell of a lot of people, there's no evidence at all that this has an impact on autism. But the papers covered. The Lancet had published the original paper, most of the people who were co authors on the paper withdrew themselves and they realized what Wakefield was doing that the Landsort didn't want to withdraw the article on works not for at about ten years or so. Wakefield was eventually struck off the list of doctors went to America, where of course they made a fortune and has become a marker to the cause of the anti vaxis. And the trouble is the ones who suffer most of all are those people who are medically compromised. You need a large percentage of the population to be vaccinated. Ninety five percent is basically it, which just leaves that small cohort of people who can't get vaccinated. And here in Australia, now there are some places whereas few as eighty percent of the people have. Vaccinated someplaces where's down to sixty percent. Wow, especially in the sort of freethinking liberal hippies of the areas. Yeah, with ever Byron base of the areas. That's sort of think in a lot of places in the world where these people having a big impact is currently seeing the rise of measles cases in the US and the UK and Europe and Australia because of the low vaccination rate. It kills hundreds of thousands of people every year, especially in third world countries, and it's all because of people who are anti vex influencing people who are hesitant about vaccimation for whatever reason. In the ones in trap of those who can't be vaccinated. That's the skeptics, Timinum and this is space Time, and that's the show for now. Space Time is available every Monday, Wednesday and Friday through bytes dot com, SoundCloud, YouTube, your favorite podcast download provider, and from space Time with Stuart Gary dot com. 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