Articles tagged with Magellanic Clouds
The Small Magellanic Cloud's stars do not orbit around its center due to a direct collision with the Large Magellanic Cloud. The collision disrupted the SMC's internal structure and destroyed its gas rotation, making it a unique case to study galaxy evolution.
Researchers at Nagoya University discovered that Cepheid variable stars in the Small Magellanic Cloud are moving in opposing directions along two distinct axes, indicating the galaxy is being stretched by multiple external gravitational forces. The findings challenge previous theories of the galaxy's structure and dynamics.
Research suggests that massive stars in the Small Magellanic Cloud are being pulled apart by the Large Magellanic Cloud. The discovery reveals a new pattern in stellar motion, which could transform our understanding of galaxy evolution and interactions.
A team of researchers from Kyushu University discovered that about 60% of molecular clouds in the Small Magellanic Cloud had a filamentary structure, while 40% were 'fluffy' with higher temperatures. This finding provides new insights into star formation in early-universe-like environments.
The SAGA Survey has found that the Milky Way Galaxy appears to be an outlier in terms of its satellite galaxies, having acquired only two large satellites recently compared to other systems. The survey also explores the mechanisms that would stop star formation in these small galaxies, finding that environmental factors play a role.
Astronomers have found a second-generation star in the Large Magellanic Cloud that formed in a different galaxy, offering clues about how elements were enriched in the universe. This discovery provides new hints about the early element-forming process and suggests that conditions may not be the same across all galaxies.
Researchers from Rice University and Durham University discovered a rotating disc of material circling a massive young star outside the Milky Way. The finding provides strong evidence for the formation process of high-mass stars, which are several times bigger than the Sun.
Researchers discovered two massive touching stars that will eventually become black holes and collide, generating waves in space-time. The stars are currently feeding each other every three days before the smaller star collapses into a black hole in 700,000 years.
The SuperBIT telescope has begun capturing high-resolution images of the Universe on its first research flight. It is investigating the mystery of dark matter, which is thought to be made up of particles that can bounce off each other during galaxy collisions.
Researchers have discovered young stars spiraling into the center of a massive cluster in the Small Magellanic Cloud, a satellite galaxy of the Milky Way. The spiral motion is thought to be feeding star formation in a river-like motion of gas and stars, an efficient way to fuel star birth.
Researchers used ALMA to study 30 Doradus, a large star-forming region in the LMC, and discovered that gravity is shaping molecular clouds despite intense stellar feedback. The observations revealed a pattern of highly organized filaments, which are likely an important step in the process of star formation.
Researchers have captured a 1,000-year-old supernova in 3D images, revealing unprecedented details about the elements ejected during a star's explosion. The study provides a three-dimensional map of these elements, shedding light on the conditions at the time of the explosion and the importance of asymmetries in supernovae.
New astronomical models suggest the Magellanic Stream could be just 20 kiloparsecs from Earth, potentially colliding with the Milky Way and fueling new star formation. The revised distance may also affect estimates of the stream's mass and density, which could require revision.
Researchers from the University of Michigan found that the vast majority of field massive stars in the Small Magellanic Cloud are 'runaways,' or stars ejected from clusters. They discovered that these stars could have formed in isolation or were dynamically ejected due to unstable orbital configurations.
Astronomers have discovered a halo of warm gas surrounding the Magellanic Clouds, which explains the formation of the massive stream of gas in the Milky Way. The new model explains how the stream adopted its filamentous shape and why it lacks stars.
A team of Indian scientists has detected a broad-energy X-ray pulsation in the new source, classifying it as an ultra-luminous X-ray pulsar (ULXP). The object is thought to be a neutron star with a rotation period of up to 100 times per second.
Astronomers have discovered a flock of young stars on the outskirts of the Milky Way, suggesting that material from nearby dwarf galaxies, the Magellanic Clouds, is forming new stars. The discovery implies that a stream of gas extending from the galaxies is closer to crashing into the Milky Way than previously thought.
A team of astronomers used ALMA to study the structure of dense gas in N159, a bustling star formation region in the LMC. The observations found fan-shaped filaments of gas extending to the north with pivots in the southernmost points, similar shapes and ages of baby stars in two regions separated by 150 light-years.
The Magellanic Clouds, near neighbors of the Milky Way, have increased their star formation rate over the past 2 billion years. This study, led by David Nidever, mapped the chemical compositions of thousands of stars in the clouds, revealing a dramatic difference from the Milky Way's slow start.
A collision between the Milky Way and Large Magellanic Cloud is expected in 2 billion years, potentially waking up a dormant black hole. The event could eject the Solar System from the galaxy, although the impact on Earth is unlikely.
Researchers suggest the Large Magellanic Cloud may have engulfed a third luminous galaxy, explaining why stars in the cloud rotate at different rates. This phenomenon could also help explain the 'age-gap' problem observed in the cloud, where there are very old and young star clusters.
Researchers used the Murchison Widefield Array to observe radiation from cosmic rays in two neighboring galaxies, detecting areas of star formation and remnants from past supernovae. The study provides insights into the rate of star formation in these galaxies, shedding light on their unique features.
Researchers found that dwarf-galaxy mergers can replenish a galaxy's supply of star-making fuel, like the Milky Way's. The Large and Small Magellanic Clouds hold enough gas to replenish half of the Milky Way's supply, with their gas footprint continuing to expand even after collision.
Researchers at University of Wisconsin-Madison used Hubble Space Telescope to analyze Leading Arm of Magellanic Stream, identifying it as coming from Small Magellanic Cloud. The study helps refine models of galaxy orbit and formation, shedding light on mysterious gas clouds surrounding Milky Way.
Astronomers detected methanol, dimethyl ether, and methyl formate in the Large Magellanic Cloud, a chemically primitive galaxy. The findings suggest that complex organic molecules can form in early galaxies, potentially leading to life.
The VISTA survey has imaged millions of stars in the Small Magellanic Cloud, revealing surprising results about star formation history and structure. Most SMC stars formed relatively recently, unlike those in larger galaxies.
Astronomers identify sun-like star associated with a Type Ia supernova, sparking investigation into its potential role in the white dwarf's demise. Further studies are needed to confirm if this star is indeed the culprit behind a white dwarf's fiery explosion.
Researchers use Gaia data to detect pulsating stars and trace the extent of the Large Magellanic Cloud, revealing a fuzzy halo stretching 20 degrees from its center. The discovery provides insights into the clouds' mass and interaction with the Milky Way, shedding light on their role in galaxy formation.
Astronomers have detected a 'hot molecular core,' a cocoon of molecules surrounding a newborn massive star, for the first time outside our Galaxy. This discovery reveals significantly different chemical compositions compared to similar objects in our own Galaxy, suggesting potential difficulties in producing large organic species.
Researchers discovered young star populations in old globular clusters that formed from gas flowing in from outside the cluster itself. This challenge traditional understanding of star birth and highlights the complex nature of globular clusters.
Researchers have discovered young populations of stars within globular clusters that originated from external gas and dust, rather than internal processes. This study suggests that globular clusters can form new stars by 'adopting' stray cosmic gases, turning a complex picture into a more nuanced one.
Astronomers using Hubble Space Telescope have solved the 40-year mystery on the origin of the Magellanic Stream. Most of the gas was stripped from the Small Magellanic Cloud about 2 billion years ago, and a second region originated from the Large Magellanic Cloud.
Astronomers using Hubble Space Telescope have solved the mystery of the Magellanic Stream's origin, finding most of the gas came from the Small Magellanic Cloud two billion years ago. A second region was formed more recently from the Large Magellanic Cloud, contradicting previous computer models.
NASA's Swift satellite has created the most detailed ultraviolet light surveys of the Large and Small Magellanic Clouds, two closest major galaxies. The new images reveal about 1 million ultraviolet sources in the LMC and about 250,000 in the SMC.
Researchers measured lithium in Small Magellanic Cloud gas, finding more than predicted by Big Bang models. The discrepancy could indicate novel physics or dark matter particles.
Researchers discovered two galaxies identical to the Milky Way and its companion clouds, a rare occurrence. The Galaxy and Mass Assembly survey revealed these 'twin' galaxies, which are expected to be very rare due to complex cosmic interactions.
Researchers mapped over 100 molecular clouds in the LMC and found many low-mass clouds, contradicting conventional wisdom. The team hopes to learn more about the metamorphosis of gas clouds into stars.
Astronomers detect cosmic dust from a supernovae using Herschel Space Observatory, confirming the theory that these explosions create dust. The study reveals a large amount of cold dust formed during the explosion, which could explain the origin of dust in galaxies.
A new computer simulation by Gurtina Besla and her colleagues shows that the Magellanic Stream resulted from a past close encounter between the Large and Small Magellanic Clouds, rather than the Milky Way's gravity. The study challenges traditional models of galaxy formation.
Astronomers have discovered a giant stream of gas flowing from neighboring galaxies around the Milky Way is more than 40% longer and 2.5 billion years older than previously known, according to new radio observations.
Researchers have discovered a giant hydrogen gas finger in the Milky Way Galaxy, which may indicate that nearby galaxies, such as the Large and Small Magellanic Clouds, will eventually merge with our Galaxy. The study provides valuable insight into the galaxies' fate using CSIRO radio telescopes.
Astronomers have determined that a hyperfast star, HE 0437-5439, originated from the Large Magellanic Cloud, contradicting its initial assumption of coming from the Milky Way. The star's elemental composition and velocity indicate it was ejected from the LMC by a massive black hole.
Two distinct gas and dust clouds formed by different types of supernova explosions are detected in DEM L316 nebula, with one shell containing more iron suggesting a Type Ia supernova. The two shells appear to be aligned by chance in the sky due to their vastly different ages.
Astronomers have discovered a population of small newborn stars in N90, a fascinating star-forming region located in the Small Magellanic Cloud. The high-energy radiation from these young stars is eroding the surrounding nebula, revealing the early stages of star formation processes.
The AKARI satellite's far-infrared survey has provided unprecedented views of the Large Magellanic Cloud, a dwarf galaxy orbiting our own. The images reveal copious star formation activity across the galaxy, with many stars currently being formed, indicating a 'star burst'.
A new, detailed view of a star-forming association in the Large Magellanic Cloud provides a rich sample of newly formed low-mass stars, allowing for accurate age and mass calculations. The image reveals small compact clusters hosting hundreds of infant low-mass stars, as well as distant galaxies decorating the background.
Researchers discovered that supernova remnants in the Small Magellanic Cloud contain up to one-hundredth the amount of dust predicted by current theories. This finding suggests alternative sites of dust formation, such as massive star winds, may be more important contributors to primordial galaxies. The study provides a unique test of ...
Researchers have charted a warp in the Milky Way's hydrogen gas layer, finding it vibrates like a drum due to interaction with dark matter. The Magellanic Clouds' passage through the dark matter halo creates a wake that enhances their gravitational influence on the disk.
Researchers discovered faint visible 'echoes' of three ancient supernovae by detecting centuries-old light reflected by interstellar gas clouds. The oldest echo is likely over 600 years old, offering a chance to study famous supernovae like those observed in 1006 and 400 years ago.
Astronomers recorded a massive star ejected from the Large Magellanic Cloud with speeds of over 2.6 million kilometers per hour. The high velocity suggests the presence of a massive black hole, which could be responsible for kicking the star out of its parent galaxy.
Researchers have found evidence of turbulence and thick gas in the Magellanic Stream, a vast river of hydrogen flowing into the Milky Way galaxy. This discovery could provide new insights into cosmic cloud and star formation processes, as well as the billion-year evolution of galaxies.
A team of astronomers has directly observed a Dark Matter object, confirming the theory that it consists of small, faint stars in galaxies like our Milky Way. The detection was made using the Hubble Space Telescope and the European Southern Observatory's Very Large Telescope.