by Paul Hegarty.......... "Full with Noise,..." is about noise music, specifically the version that has come to be called Japanese Noise -- itself composed of many different strands. The first half deals with the question of noise. What is it, whose is it, and how can we think about it. Also, how does noise inflect our thinking, rather than being an object; at what point does noise lose its noiseness and become meaning, music, signification? Or -- is there even a point where noise can subsist? Mostly, the text below takes the view that noise is a function of not-noise, itself a function of not being noise. Noise is no more original than music or meaning, and yet its position is to indicate the banished, overcome primordiality, and cannot lose this 'meaning'. Noise, then, is neither the outside of language nor music, nor is it simply categorisable, at some point or other, as belonging exclusively to the world of meaning, understanding, truth and knowledge. Read More ...
Dirty HC Punk explosion - Bristol scene Rise up + Disorder 9 free CDs
From The Cortinas to Lunatic Fringe and Disorder, Bristol had a huge Punk scene that has influenced, affected and stimulated a vast range of artists that operate in the city. Many of these artists produce music that wouldn’t necessarily suggest a Punk heritage but scratch beneath the surface of a lot of the major players in the Bristol milieu and you will find a fondness for the times of `spikey barnets’, limited musical ability, a `F*** You’ attitude and disrespect for the music industry and its poseur hierarchy. Read More ...
A straight shot west out of Boston on I-90 will carry you, in two hours or less, to Western Massachusetts, where the country still looks like it did twenty or even 40 years ago: college towns, I-91 tracing the same lazy ladder from Springfield up through Holyoke and Northampton, Amherst and Deerfield. Out there it's taken for granted that the houses will be drafty, the winters uniformly long, and that, on any given trip to the local supermarket, one might spot Thurston or Lou or Kim or J, on-and-off locals for more than twenty years. {audio}http://www.archive.org/download/DinosaurJrDrawings/07Drawerings_64kb.mp3{/audio} ... Drawerings Read More ...
By way of decrying a society that left its citizens unbearably restrained, Edith Wharton describes how in New York in the 1870s, women would order dresses from their Paris dressmakers and then leave them in tissue paper at least two years before wearing them in public; the thought of showing them "in advance of the fashion" was unforgivably vulgar. Social life has changed, but cultural life seems just as restricted now – even Animal Collective are held back by trends that seem a couple of years old (and that they helped to invent). When I think back on 2009, I’ll first remember how our impoverished aesthetic generation repeatedly scraped the resin from the cultural trash barrel. Every second person is wearing neon leggings, and the ones who aren’t rock a ‘70s aesthetic, with high-waisted jeans and moccasins. Christmas sweaters are getting impossible to find at the thrift store. Ska revival. Garage rock revival. It never ends. Read More ...
Black Punk Time: Blacks in Punk, New Wave and Hardcore 1976-1984 + free albums
By James Porter and Jake Austen ....... When punk-rock arrived--as we now know it--back in 1975-77, it was the kick in the ass the music world needed. At a time when the wide-ranging rock scene incorporated everything from Midwestern Metal to Outlaw Country to funk-fusion combos like Weather Report, there was an overall, evident energy drop. When the debut albums appeared from the Ramones, the Dictators, Patti Smith, the Sex Pistols, the Dead Boys, and others, the edge was back. As Spin, VH1, Rolling Stone and the rest of the self-important "Rock History Reports" so boldly declare these days, punk was the wildest, angriest, most vital, most energetic, hottest shit going. Read More ...
For a small country New Zealand has long been pumping out some impressive music. Way back in the 1960s it was crazed long-haired punkers messed up on all sorts of stuff - musical (the Pretty Things, Love, the 13th Floor Elevators, the Troggs and who-knows-what-else) and I guess otherwise. Some of the best of these bands (at least, the ones that recorded) can be heard on Wild Things vol 1 and 2, compiled by NZ music historian John Baker, the first of which came out on Flying Nun, the second probably on Baker's own Zero Records, also the home to No. 8 Wire: Psychedelia Without Drugs. Read More ...
Leon Theremin /1896-1993/ - the great forefather of Rock N' Roll /big noise master/
In 1919, in the midst of the Russian Civil War, Theremin invented the musical instrument that bears his name. The theremin is an electronic device that resonates sound when its operator waves his hands near its two antennas. It was the first musical instrument designed to be played without being touched. He invented the theremin (also called the thereminvox) in 1919, when his country was in the midst of the Russian Civil War. After a lengthy tour of Europe, during which he demonstrated his invention to full audiences, Theremin found his way to the United States. He performed the theremin with the New York Philharmonic in 1928. He patented his invention in 1929 (U.S. Patent 1,661,058 ) and subsequently granted commercial production rights to RCA. In 1938 Theremin was kidnapped in the New York apartment he shared with his American wife (the black ballet dancer, Iavana Williams) by the NKVD (forerunners of the KGB). He was transported back to Russia, and accused of propagating anti-Soviet propaganda by Stalin. Read More ...
For just over 10 years, London's Guapo has been working in the world of avant and progressive rock. The band's past is a bit hard to track with its numerous lineup changes and guest musicians. The most recent change in roster was the resignation of Matthew Thompson, the founding member of Guapo, which occurred just before the release of 2005's Black Oni. The departure of Thompson has left Guapo with percussionist David Smith and multi-instrumentalist Daniel O'Sullivan. Though O'Sullivan is by no means a founding member of the band, but he was essential in honing the sound on Guapo's last two LPs: Five Suns and Black Oni. These two albums have been pivotal in building Guapo's following of fans, so it's hard not to credit O'Sullivan as an asset to the band.... {audio}http://www.neurotrecordings.com/artists/guapo/audio/Guapo-The%20Selenotrope.mp3 {/audio} ... The Selenotrope Read More ...
Cyberwar Hype Intended to Destroy the Open Internet
The biggest threat to the open internet is not Chinese government hackers or greedy anti-net-neutrality ISPs, it’s Michael McConnell, the former director of national intelligence. McConnell’s not dangerous because he knows anything about SQL injection hacks, but because he knows about social engineering. He’s the nice-seeming guy who’s willing and able to use fear-mongering to manipulate the federal bureaucracy for his own ends, while coming off like a straight shooter to those who are not in the know. When he was head of the country’s national intelligence, he scared President Bush with visions of e-doom, prompting the president to sign a comprehensive secret order that unleashed tens of billions of dollars into the military’s black budget so they could start making firewalls and building malware into military equipment. Read More ...
The Peyote Way Church of God - believe that the Holy Sacrament Peyote can lead an individual toward a more spiritual life
The Peyote Way Church of God is a non-sectarian, multicultural, experiential, Peyotist organization located in southeastern Arizona, in the remote Aravaipa wilderness. It is not affiliated with the Church of Jesus Christ of Latter Day Saints, the Native American Church, or any other religious organizations, though we do accept people from all faiths. Church membership is open to all races. We encourage individuals to create their own rituals as they become acquainted with the great mystery. We believe that the Holy Sacrament Peyote, when taken according to our sacramental procedure and combined with a holistic lifestyle (see Word of Wisdom), can lead an individual toward a more spiritual life. Peyote is currently listed as a controlled substance and its religious use is protected by Federal law only for Native American members of the Native American Church. Read More ...
Japan’s Annual Penis Festival – Celebrates Fertility
KOMAKI, Japan — It's springtime in Japan and that means one thing. Actually, two things. Penis festivals and vagina festivals. It may sound like a sophomoric gag. But these are folk rites going back at least 1,500 years, into Japan's agricultural past. They're held to ensure a good harvest and promote baby-making. Maybe they should hold more such festivals. Japan has one of the world's lowest birthrates (1.37 children per woman), which experts blame on stagnant incomes and changing gender relations. Read More ...
Dreamachine - stroboscopic flicker device enter you to a hypnagogic state - try it right here in your browser
The dreamachine (or dream machine) is a stroboscopic flicker device that produces visual stimuli. Artist Brion Gysin and William Burroughs's "systems adviser" Ian Sommerville created the dreamachine after reading William Grey Walter's book, The Living Brain. In its original form, a dreamachine is made from a cylinder with slits cut in the sides. The cylinder is placed on a record turntable and rotated at 78 or 45 revolutions per minute. A light bulb is suspended in the center of the cylinder and the rotation speed allows the light to come out from the holes at a constant frequency of between 8 and 13 pulses per second. This frequency range corresponds to alpha waves, electrical oscillations normally present in the human brain while relaxing. Read More ...
All world secret underground bases build for space travelers
The following material comes from people who know the Dulce (underground) base exists. They are people who worked in the labs; abductees taken to the base; people who assisted in the construction; intelligence personal (NSA,CIA,FBI ... ect.) and UFO / inner-earth researchers. This information is meant for those who are seriously interested in the dulce base. for your own protection be advised to “use caution” while investigating this complex.Does a strange world exist beneath our feet? Strange legends have persisted for centuries about the mysterious cavern world and the equally strange beings who inhabit it. More UFOlogists have considered the possibility that UFOs may be emanating from subterranean bases, that UFO aliens have constructed these bases to carry out various missions involving Earth or humans. Read More ...
Black-lip Rattail ............ These sorts of rattails feed in the muddy seafloor by gliding along head down and tail up, powered by gentle undulations of a long fin under the tail. The triangular head has sensory cells underneath that help detect animals buried in the mud or sand. The common name comes from the black edges around the mouth. Read More ...
German-Japanese flight to Moon and Mars in 1945-46
The moon has allways held a significant place for humanity both as a source for romantic inspiration for poets and the like to outstanding curiosity for scientists. Allthough, it is said to be a shadowy place some say of Aliens others say of Top Secret Moon Bases that are supposed to belong to The Third Reich what do you think ? It is said that in the early nineties that Nazies landed on the moon using some sort of giant flying saucer type object. These Nazi flying Saucers were said to stand about 45 mtrs high, had 10 stories of crew quaters and had a diameter of 60 mtrs. Well here is videos and texts that links that story ........ Read More ...
Island of Ghosts: Hashima Island - Japan’s rotting metropolis
Hashima, an island located in Nagasaki Bay, is better known as Warship Island (Gunkanshima). The island was inhabited until the end of the 19th century, when it was discovered that the ground below it held tons of coal. The island soon became a center of a major mining complex owned by Mitsubishi Corporation. As the complex expanded, rock brought out of the shafts was used to artificially expand the island. Seawalls created in this expansion turned Hashima into the monstrous looking Gunkanshima; its artificial appearance makes it looks more like a battleship than an island. Read More ...
The Marijuana Conspiracy - The Real Reason Hemp is Illegal
MARIJUANA is DANGEROUS. Pot is NOT harmful to the human body or mind. Marijuana does NOT pose a threat to the general public. Marijuana is very much a danger to the oil companies, alcohol, tobacco industries and a large number of chemical corporations. Various big businesses, with plenty of dollars and influence, have suppressed the truth from the people. The truth is if marijuana was utilized for its vast array of commercial products, it would create an industrial atomic bomb! Entrepreneurs have not been educated on the product potential of pot. The super rich have conspired to spread misinformation about an extremely versatile plant that, if used properly, would ruin their companies. Read More ...
Earlier this year, women became the majority of the workforce for the first time in U.S. history. Most managers are now women too. And for every two men who get a college degree this year, three women will do the same. For years, women’s progress has been cast as a struggle for equality. But what if equality isn’t the end point? What if modern, postindustrial society is simply better suited to women? A report on the unprecedented role reversal now under way— and its vast cultural consequences Read More ...
Not so long ago experts predicted the imminent collapse of religion in modern western culture. Religion – often synonymous in these discussions with superstition, magic, and delusion – would at last give way to the autonomy of human reason and the power of the experimental method of natural investigation. But something happened on the way to religion’s funeral. People kept on believing. Recent neuroscientific and evolutionary research has suggested that either many of the hallmarks of religion are, or are byproducts of, adaptations that helped our earliest ancestors survive. Read More ...
Freegan - strategies for sustainable living beyond capitalism
Freegans are people who employ alternative strategies for living based on limited participation in the conventional economy and minimal consumption of resources. Freegans embrace community, generosity, social concern, freedom, cooperation, and sharing in opposition to a society based on materialism, moral apathy, competition, conformity, and greed. After years of trying to boycott products from unethical corporations responsible for human rights violations, environmental destruction, and animal abuse, many of us found that no matter what we bought we ended up supporting something deplorable. We came to realize that the problem isn’t just a few bad corporations but the entire system itself. Read More ...
A temple complex in Turkey that predates even the pyramids is rewriting the story of human evolution. They call it potbelly hill, after the soft, round contour of this final lookout in southeastern Turkey. To the north are forested mountains. East of the hill lies the biblical plain of Harran, and to the south is the Syrian border, visible 20 miles away, pointing toward the ancient lands of Mesopotamia and the Fertile Crescent, the region that gave rise to human civilization. And under our feet, according to archeologist Klaus Schmidt, are the stones that mark the spot—the exact spot—where humans began that ascent. Read More ...
Learn How to Pronounce the Iceland Volcano Eyjafjallajokull and remember; When He Erupted In 1821, it lasted 2 years
The last time Eyjafjallajökull erupted, it lasted 2 years stretching from 1821-1823. It also erupted in 920 and 1612. Eyjafjallajökull's eruption usually precedes an eruption for another Icelandic volcano called Katla, as it did in 1823. Katla's eruptions are usually more violent than Eyjafjallajökul's. Due to the second activity on Eyjafjallajökull volcano since April 14, there are thousands of flights have been cancelled not only in Europe but also some flights from Asia, America and other continents. More over, it was also reportedly more than ten thousands of air travelers still stranded after a plume of ash cloud spreading across thousands of miles. No need to repeat the same news in every single post, actually there’s an interesting thing from the Iceland volcano’s name Eyjafjallajokull. Pronunciation is so difficult for some of us. Even, many people still don’t know what’s the right pronunciation of Eyjafjallajokull volcano. Did you know that? Read More ...
A speech given by Bertrand Russell, March 6, 1927, National Secular Society, South London branch, Battersea Town Hall ............ "As your chairman has told you, the subject about which I am to speak tonight is "Why I Am Not a Christian." Perhaps it would be as well, first of all, to try to make out what one means by the word "Christian." It is used these days in a very loose sense by a great many people. Some people mean no more by it than a person who attempts to live a good life. In that sense I suppose there would be Christians of all sects and creeds; but I do not think that is the proper sense of the word, if only because it would imply that all the people who are not Christians -- all the Buddhists, Confucians, Mohammedans, and so on -- are not trying to live a good life. I do not mean by a Christian any person who tries to live decently according to his lights. Read More ...
Victorian England popular&legal drugs (hashish, opium, absinthe and Chloral)
Victorian England, spanning roughly the reign of Queen Victoria (1837-1901), is characterized in popular understanding as a time of personal and family values. The codification of the notion of values developed into specific and detailed ideas about social and cultural propriety and restraint. The very term "Victorian" has come to be used in our own time by cultural conservatives who look to the reign of Victoria as a touchstone for their own desires about social order. Prudishness, excessive formality, and repression, it is popularly assumed, characterized Victorian culture. Read More ...
The World's First Commercial Brain-Computer Interface + history of BCI
A brain–computer interface (BCI), sometimes called a direct neural interface or a brain–machine interface, is a direct communication pathway between a brain and an external device. BCIs are often aimed at assisting, augmenting or repairing human cognitive or sensory-motor functions. Research on BCIs began in the 1970s at the University of California Los Angeles (UCLA) under a grant from the National Science Foundation, followed by a contract from DARPA. The papers published after this research also mark the first appearance of the expression brain–computer interface in scientific literature. Read More ...
The giant ALICE detector is already underway at CERN, and researchers are scrambling to add an electromagnetic calorimeter to capture jet-quenching, the newest way to look inside the quark-gluon plasma — the hot, dense state of matter that filled the earliest universe, which the Large Hadron Collider will soon recreate by slamming lead nuclei into one another. CERN's Large Hadron Collider (LHC) is known mainly as the accelerator that will soon begin searching for the Higgs particle, and other new physics, in proton collisions at unprecedented energies — up to 14 TeV (14 trillion electron volts) at the center of mass — and with unprecedented beam intensities. But the same machine will also collide massive nuclei, specifically lead ions, to energies never achieved before in the laboratory. Read More ...
The Secrets of Coral Castle and pyramids EXPLAINED by Leedskalnin's Magnetic Current theory
Coral Castle doesn't look much like a castle, but that hasn't discouraged generations of tourists from wanting to see it. That's because it was built by one man, Ed Leedskalnin, a Latvian immigrant who single-handedly and mysteriously excavated, carved, and erected over 2.2 million pounds of coral rock to build this place, even though he stood only five feet tall and weighed a mere 100 pounds. Ed was as secretive as he was misguided. He never told anyone how he carved and set into place the walls, gates, monoliths, and moon crescents that make up much of his Castle. Some of these blocks weigh as much as 30 tons. Ed often worked at night, by lantern light, so that no one could see him. He used only tools that he fashioned himself from wrecks in an auto junkyard. Read More ...
Microbial communities in fluid inclusions and long-term survival in halite + The 11th Hour - documentary
Fluid inclusions in modern and ancient buried halite from Death Valley and Saline Valley, California, USA, contain an ecosystem of “salt-loving” (halophilic) prokaryotes and eukaryotes, some of which are alive. Prokaryotes may survive inside fluid inclusions for tens of thousands of years using carbon and other metabolites supplied by the trapped microbial community, most notably the single-celled alga Dunaliella, an important primary producer in hypersaline systems. Deeper understanding of the long-term survival of prokaryotes in fluid inclusions will complement studies that further explore microbial life on Earth and elsewhere in the solar system, where materials that potentially harbor microorganisms are millions and even billions of years old. Read More ...
Vadim Chernobrov & Russian secrets experiments with time machines
A disturbing story in the March, 2005. 1 issue of Pravda suggests that the U. S. Government is working on the discovery of a mysterious point over the South Pole that may be a passageway backward in time. According to the article, some American and British scientists working in Antarctica on January 27, 1995, noticed a spinning gray fog in the sky over the pole. U. S. physicist Mariann McLein said at first they believed it to be some kind of sandstorm. But after a while they noticed that the fog did not change its form and did not move so they decided to investigate. Read More ...
How Norbert Wiener Invents Cybernetics + his book " God and Golem, Inc.........."
Norbert Wiener invented the field of cybernetics, inspiring a generation of scientists to think of computer technology as a means to extend human capabilities. Norbert Wiener was born on November 26, 1894, and received his Ph.D. in Mathematics from Harvard University at the age of 18 for a thesis on mathematical logic ( see below "The Logic of Boolean Algebra"). After working as a journalist, university teacher, engineer, and writer, Wiener he was hired by MIT in 1919, coincidentally the same year as Vannevar Bush. In 1933, Wiener won the Bôcher Prize for his brilliant work on Tauberian theorems and generalized harmonic analysis. Read More ...
Seven theories of everything that pretend to describe the fundamental nature of the universe
We still don't have a theory that describes the fundamental nature of the universe, but there are plenty of candidates.
The "theory of everything" is one of the most cherished dreams of science. If it is ever discovered, it will describe the workings of the universe at the most fundamental level and thus encompass our entire understanding of nature. It would also answer such enduring puzzles as what dark matter is, the reason time flows in only one direction and how gravity works. Small wonder that Stephen Hawking famously said that such a theory would be "the ultimate triumph of human reason – for then we should know the mind of God". But theologians needn't lose too much sleep just yet. Despite decades of effort, progress has been slow. Rather than one or two rival theories whose merits can be judged against the evidence, there is a profusion of candidates and precious few clues as to which (if any) might turn out to be correct. Read More ...
The T2K Experiment - From Tokai To Kamioka - Where is the anti-matter?
From the beginning of 2010, the T2K experiment will fire a beam of muon-neutrinos from Tokai on Japan's east coast, 300km accross the country to a detector at Kamioka. It hopes to investigate the phenomenon of "neutrino oscillations" by looking for "muon neutrinos" oscillating into "electron neutrinos". A million pound detector has been built at the University of Warwick as part of a vital experiment to investigate fundamental particles - neutrinos. Read More ...
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Homespace Mysterious Betelgeuse, a boiling and magnetic supergiant star
Mysterious Betelgeuse, a boiling and magnetic supergiant star
An international research team, lead by French astrophysicists from the Laboratoire d'Astrophysique de Toulouse-Tarbes, has detected a magnetic field at the surface of the supergiant star Betelgeuse. This observational result, published in the journal Astronomy & Astrophysics, demonstrates that, in spite of the theoretical framework usually proposed to account for the magnetism of astrophysical bodies like the Earth or the Sun, the rotation of cosmic objects is not a necessary ingredient to trigger the efficient generation of a magnetic field.
Betelgeuse — the second brightest star in the constellation of Orion (the Hunter) — is a red supergiant, one of the biggest stars known, and almost 1000 times larger than our Sun [1]. It is also one of the most luminous stars known, emitting more light than 100 000 Suns. Such extreme properties foretell the demise of a short-lived stellar king. With an age of only a few million years, Betelgeuse is already nearing the end of its life and is soon doomed to explode as a supernova. When it does, the supernova should be seen easily from Earth, even in broad daylight. According to a scenario elaborated more than half a century ago, the rotation of stars like the Sun produces huge flows of ionized material in their internal layers. These large-scale flows trigger a dynamo mechanism causing the continuous generation of their magnetic field. This process, called a "large-scale dynamo", is generally invoked to describe the solar magnetic cycle, which is particularly spectacular during solar eruptive phases. Yet, even when the Sun is having a temporary respite in its magnetic firework, for instance during the last, unusually long activity minimum that recently ended, our star still hosts a surface magnetic field. The origin of this residual magnetism, which seems to be unaffected by the solar cycle, is still a disputed question among astronomers.
The key of this enigma may be hidden in supergiant stars, a class of objects of which Betelgeuse is one of the most famous members. With about 15 times the solar mass, 1,000 solar radii and a luminosity 100,000 times higher than the Sun's, Betelgeuse is a star reaching the end of its life while burning the last remaining nuclear fuel at its disposal before exploding as a supernova. In addition, another physical parameter of Betelgeuse is differing from the solar case : its rotation is extremely slow. It takes probably several years for Betelgeuse to complete a full rotation, against barely one month for the Sun. This situation seems inadequate to allow for the onset of a large-scale dynamo.
However, observations collected with the NARVAL instrument at Telescope Bernard Lyot (Pic du Midi Observatory, France) reveal a weak polarization level in the light emitted by Betelgeuse : an observational clue unveiling the presence of a weak magnetic field at the surface of the star. This observation is therefore demonstrating that a fast rotation is not a necessary ingredient for the efficient production of a magnetic field. Supergiant stars may use another trick : vigorous convective motions, similar to a continuous boiling, are evacuating the huge amount of energy released in the stellar core by nuclear reactions. Observations obtained at Pic du Midi suggest that this continuous agitation is able, in itself, to generate the stellar magnetic field, through "small-scale" dynamo processes operating on the same scale as the convective cells. Since the Sun itself is exhibiting turbulent motions in its outer layers, it could very well be able to host a similar type of small-scale dynamo, that could be (at least partly) responsible for its residual magnetism during activity minima.
Furthermore, the detection of a magnetic field on Betelgeuse is precious for several reasons. Massive stars reaching the end of their evolution, like Betelgeuse, contribute to spread heavy chemical species in the Galaxy, thanks to a strong wind constituted of ionized particles. Current theoretical models have trouble explaining why the wind ejection is so efficient in supergiants. Here again, the solution is maybe linked to the presence of the magnetic field, due to its known ability to accelerate charged particles.
Boiling and magnetic, supergiant stars therefore seem to constitute perfect cosmic laboratories to test the recent theories developed to explain the generation of magnetic fields in the Universe.
How Supergiant Stars Lose Mass
Red supergiants still hold several unsolved mysteries. One of them is just how these behemoths shed such tremendous quantities of material — about the mass of the Sun — in only 10 000 years. Two teams of astronomers have used ESO’s Very Large Telescope (VLT) and the most advanced technologies to take a closer look at the gigantic star. Their combined work suggests that an answer to the long-open mass-loss question may well be at hand.
The first team used the adaptive optics instrument, NACO, combined with a so-called “lucky imaging” technique, to obtain the sharpest ever image of Betelgeuse, even with Earth’s turbulent, image-distorting atmosphere in the way. With lucky imaging, only the very sharpest exposures are chosen and then combined to form an image much sharper than a single, longer exposure would be.
The resulting NACO images almost reach the theoretical limit of sharpness attainable for an 8-metre telescope. The resolution is as fine as 37 milliarcseconds, which is roughly the size of a tennis ball on the International Space Station (ISS), as seen from the ground.
“Thanks to these outstanding images, we have detected a large plume of gas extending into space from the surface of Betelgeuse,” says Pierre Kervella from the Paris Observatory, who led the team. The plume extends to at least six times the diameter of the star, corresponding to the distance between the Sun and Neptune.
“This is a clear indication that the whole outer shell of the star is not shedding matter evenly in all directions,” adds Kervella. Two mechanisms could explain this asymmetry. One assumes that the mass loss occurs above the polar caps of the giant star, possibly because of its rotation. The other possibility is that such a plume is generated above large-scale gas motions inside the star, known as convection — similar to the circulation of water heated in a pot.
To arrive at a solution, astronomers needed to probe the behemoth in still finer detail. To do this Keiichi Ohnaka from the Max Planck Institute for Radio Astronomy in Bonn, Germany, and his colleagues used interferometry. With the AMBER instrument on ESO’s Very Large Telescope Interferometer, which combines the light from three 1.8-metre Auxiliary Telescopes of the VLT, the astronomers obtained observations as sharp as those of a giant, virtual 48-metre telescope. With such superb resolution, the astronomers were able to detect indirectly details four times finer still than the amazing NACO images had already allowed (in other words, the size of a marble on the ISS, as seen from the ground).
“Our AMBER observations are the sharpest observations of any kind ever made of Betelgeuse. Moreover, we detected how the gas is moving in different areas of Betelgeuse’s surface ― the first time this has been done for a star other than the Sun”, says Ohnaka.
The AMBER observations revealed that the gas in Betelgeuse's atmosphere is moving vigorously up and down, and that these bubbles are as large as the supergiant star itself. Their unrivalled observations have led the astronomers to propose that these large-scale gas motions roiling under Betelgeuse’s red surface are behind the ejection of the massive plume into space.
An international research team, lead by French astrophysicists from the Laboratoire d'Astrophysique de Toulouse-Tarbes, has detected a magnetic field at the surface of the supergiant star Betelgeuse. This observational result, published in the journal Astronomy & Astrophysics, demonstrates that, in spite of the theoretical framework usually proposed to account for the magnetism of astrophysical bodies like the Earth or the Sun, the rotation of cosmic objects is not a necessary ingredient to trigger the efficient generation of a magnetic field.
