Articles tagged with Milky Way
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Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
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Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
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Researchers reconstruct Milky Way's evolution from its earliest phases to present day, revealing a tumultuous youth and chaotic conditions. The study provides new insights into galaxy formation and growth, highlighting the need for refinement in theoretical predictions.
A new study using advanced computer simulations has shed light on the mysterious chemical history of the Milky Way. Researchers found that galaxies like the Milky Way can develop two distinct chemical sequences through various mechanisms, challenging previous assumptions about the role of cosmic gas flows and galaxy mergers.
Researchers at RIKEN successfully simulated the Milky Way Galaxy with over 100 billion individual stars, far surpassing previous state-of-the-art models. This achievement demonstrates the power of AI-accelerated simulations in tackling complex multi-scale problems in astrophysics and beyond.
A team from the International Centre for Radio Astronomy Research has assembled a record-breaking radio colour image of the Milky Way. The unprecedented level of detail offers new insights into the galaxy's radio emission and structure.
A mysterious glow in the Milky Way could be a clue to dark matter's existence. Researchers used supercomputers to simulate dark matter locations and found matches with actual gamma ray maps.
The Gaia space telescope has discovered a giant wave in the Milky Way galaxy, causing stars to wobble over vast distances. The wave stretches across a huge portion of the galactic disc, affecting stars up to 65 thousand light-years away from the centre.
Astronomers used Gaia's data to create the most accurate 3D map of star-forming regions in our galaxy, revealing the location and ionization of hot young stars. The map extends to 4000 light-years from us and includes detailed views of notable nebulae.
Researchers measured magnetic field of Sagittarius C, a region in the Central Molecular Zone, to understand interaction between dense clouds, star formation, and strong magnetic field. The study found that the magnetic field wraps around an expanding central bubble of hot, ionized gas created by massive young stars.
Researchers suggest our galaxy might sit in a large, local void that makes the cosmos expand faster here than elsewhere. The 'sound of the Big Bang' supports this idea by distorting baryon acoustic oscillations, which provide a standard ruler for charting cosmic expansion history.
The discovery of dense clouds of neutral hydrogen gas within the Fermi bubbles challenges current understanding of their formation and age. These 'ice-like' clouds are found at 12,000 light years above the Milky Way's center and are much younger than previously estimated.
Researchers have discovered that Bogong moths use constellations of stars and the Milky Way to navigate long distances, making them the first known invertebrate to rely on a stellar compass for navigation. The moths also use the Earth's magnetic field to maintain their direction even when clouds obscure the stars.
Researchers found that the Galactic Center's star-forming regions struggle to form high-mass stars, unlike typical star-forming regions, due to extreme conditions caused by the black hole. The study suggests these regions effectively produce just one generation of stars and lack sufficient material for continued formation.
Astronomers have discovered a massive spiral galaxy resembling the Milky Way, formed just 1 billion years after the Big Bang. The galaxy, Zhúlóng, exhibits a mature structure with a central old bulge and large star-forming disk, challenging our understanding of galaxy formation.
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 new study proposes a third category of galaxies: red star-forming. These galaxies produce low-mass stars and may have played a significant role in the universe's history. The findings could change our understanding of galaxy evolution, star formation, and the life cycle of galaxies.
Scientists studied Sagittarius C using the James Webb Space Telescope to understand why fewer new stars are born in the region. They discovered powerful magnetic field lines that form long, bright filaments of hot hydrogen gas, slowing down star formation.
Astronomers have discovered a cosmic anomaly that challenges our understanding of the universe, revealing a spiral galaxy harboring a supermassive black hole billions of times the Sun's mass. This discovery forces us to rethink how galaxies evolve and how supermassive black holes grow in them.
Researchers from Osaka Metropolitan University used a deep learning model to discover new bubble-like structures in the Milky Way galaxy, providing insights into star formation and galaxy evolution. The study also revealed shell-like structures formed by supernova explosions.
Astronomers have created a detailed 3D map of dust in the Milky Way galaxy, providing new insights into the effects of dust on celestial observations. The map reveals unexpected properties of interstellar dust clouds, including a steepening extinction curve in areas of intermediate density.
Researchers found Andromeda XXXV, the smallest and dimmest satellite galaxy to date, which challenges our understanding of galaxy formation and evolution. The discovery provides new insights into how galaxies survive different epochs of the universe.
A study published in Physical Review Letters suggests that a mysterious phenomenon at the center of our galaxy may be caused by a lighter form of dark matter. The research team detected unusual energy signatures radiating from this region, which they believe could be produced by the annihilation of tiny dark matter particles.
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.
A Northwestern University-led team observed Sagittarius A*, the Milky Way's supermassive black hole, exhibiting a constant stream of flares with no periods of rest. The level of activity varies widely, from short interludes to long stretches, and appears to be random.
Scientists have discovered a scrawny star and its fast-moving super-Neptune world, which sets a new record for the fastest exoplanet system. The planetary system is thought to move at least 1.2 million miles per hour.
Two new celestial objects have been confirmed using Gaia data, including a Super-Jupiter exoplanet and a brown dwarf. The discovery challenges current theories of planet formation and provides valuable data for understanding these intriguing objects. Gaia's ongoing mission will uncover hundreds of planets and brown dwarfs around nearby...
The Hubble Space Telescope has completed a comprehensive survey of the Andromeda galaxy, revealing its structure and evolution on a holistic scale. The observations provide insights into the galaxy's age, heavy-element abundance, and stellar masses, helping astronomers distinguish between competing scenarios of merger history.
Astronomers discovered three ultra-faint dwarf galaxies in an isolated region of space, containing only very old stars. The findings support the theory that events in the early universe cut off star formation in small galaxies.
Researchers found a core-collapsing self-interacting dark matter subhalo is responsible for the peculiar spur and gap features observed in the GD-1 stellar stream. This discovery provides insights into the nature of dark matter itself and offers a new explanation for the observed perturbations.
A team of scientists found that carbon and other star-formed atoms don't just drift through space, but are pushed out by giant currents into intergalactic space. These atoms can eventually be pulled back in to form new stars, planets, and moons.
An international team of researchers has found the first binary star in the immediate vicinity of Sgr A* by analyzing individual observations of dust sources. The discovery provides new clues to how young stars form close to the supermassive black hole, solving a long-standing mystery.
Researchers have observed a rare metal-poor supernova, providing valuable information about the early universe. The study revealed that this supernova was distinct from others in nearby galaxies, with unique properties such as a steady brightness period and rapid spin.
Researchers discovered a class of unusually large and red galaxies, called Ultra-red Flattened Objects (UFOs), near the limit of Hubble's observable range. The James Webb Space Telescope's infrared capabilities allowed them to spot these 'dustier cousins' of the Milky Way.
Researchers from DTU have discovered a neutron star that rotates at an astonishing 716 times per second, making it one of the fastest-spinning objects ever observed. The neutron star is part of an X-ray binary star system and is located in the Sagittarius constellation.
A team of astronomers discovered new insights into the forces that shape protoplanetary disks using the James Webb Space Telescope. They traced disk winds in unprecedented detail, revealing an intricate structure and a pronounced central hole inside each cone-shaped envelope of winds.
A new study identifies regions where gravity dominates, such as the Sloan Great Wall and Shapley Supercluster, suggesting that our Milky Way likely resides in the larger Shapley basin. The research provides an unprecedented look into the gravitational landscape of the local Universe.
The European Southern Observatory's VISTA telescope has created the largest infrared map of the Milky Way, comprising over 200,000 images and covering an area equivalent to 8600 full moons. The dataset contains about 10 times more objects than a previous map released in 2012, including newborn stars, globular clusters, and brown dwarfs.
A team of astronomers discovered a planetary system that resembles the sun-Earth system, with an Earth-size companion in an orbit twice as large as Earth's today. The discovery provides insight into the evolution of main sequence stars and their impact on planets.
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 discovered the largest pair of black hole jets yet, stretching 23 million light-years and equivalent to 140 Milky Way galaxies. This finding suggests that these massive jet systems may have played a significant role in shaping galaxies in the early universe.
A new study proposes that early dark energy could explain the formation of numerous bright galaxies in the early universe, resolving the 'Hubble tension' puzzle. The team modeled galaxy formation with a brief appearance of early dark energy, finding it fits observations and solves both puzzles.
UNLV astrophysicists found evidence suggesting the supermassive black hole at the center of our Milky Way galaxy, Sgr A*, is likely the result of a past cosmic merger. The study utilized data from the Event Horizon Telescope's 2022 observation of Sgr A* to investigate various growth models and demonstrated that the misaligned spin prop...
Researchers at the University of South Australia have developed an AI sensor that can accurately measure the orientation of the Milky Way in low light, using a technique inspired by the dung beetle. This system could improve navigation for drones and satellites in difficult lighting conditions.
Researchers found an intermediate-mass black hole in star cluster IRS 13 near SgrA*, suggesting it could be a 'seed' for the central supermassive black hole. The discovery provides insights into the galaxy's evolution and the formation of intermediate-mass black holes.
Researchers have found the nearest massive black hole to Earth, located at the center of Omega Centauri, a galaxy that was swallowed by the Milky Way. The discovery provides insight into the formation history of galaxies and confirms long-held suspicions about the existence of intermediate-mass black holes.
Researchers at the University of Utah and Max Planck Institute have discovered an intermediate-mass black hole in the Omega Centauri cluster, providing crucial evidence for a long-theorized class of black holes. The discovery offers insights into galaxy evolution and the formation history of globular clusters.
Researchers have discovered a hidden treasure in the Milky Way, identifying Cygnus X-3 as an ultra-luminous X-ray source. The use of X-ray polarized vision has revealed the configuration of dense matter surrounding the black hole, sparking new insights into extreme matter consumption.
Researchers discovered nine X-ray flares from Sagittarius A* and analyzed a decade's worth of data to understand the black hole's environment. They also examined the black hole's activity using echoes from a giant molecular cloud, providing insights into its past activity.
Researchers uncover new clues about the early universe, finding spiral galaxies were prevalent as early as 2 billion years after the universe formed. This discovery challenges previous theories and provides insight into how spiral galaxies like the Milky Way formed over time.
A new study analyzing data from the Canadian Hydrogen Intensity Mapping Experiment (CHIME) found that non-repeating FRBs appear to come from galaxies with modest densities and magnetic fields. This contradicts previous studies focused on repeating FRBs, suggesting a separate population or evolved versions of the same population.
A satellite galaxy of the Milky Way, Crater 2, has been studied by a UC Riverside-led team. They offer an explanation for its unusual properties using the self-interacting dark matter (SIDM) theory.
An international team of astronomers found that most nearby young star clusters belong to just three families, which formed in massive star-forming regions. These star clusters also left traces on Earth, including the Local Bubble and iron isotopes in the crust.
Heidi Jo Newberg and Tom Donlon's research using Gaia data reveals the Milky Way Galaxy's last major collision occurred billions of years later than previously thought. The team found that the galaxy's wrinkles, formed by collisions with other galaxies, dissipated over time, allowing them to trace the timing of the final collision.
Researchers confirm model predicting galaxy clusters' separation via gravity, while identifying potential new galaxies with Euclid's powerful equipment. The telescope's early release observations reveal millions of objects in a single day, opening up new possibilities for dark matter research.
Scientists have discovered a new planet called WASP-193b that is 50% bigger than Jupiter yet has a density comparable to cotton candy. The planet's low density makes it an outlier among the over 5,400 planets discovered so far.
Researchers have discovered three of the oldest stars in the universe, forming between 12 and 13 billion years ago. The team believes these 'Small Accreted Stellar System' (SASS) stars originated from small primitive galaxies absorbed by the Milky Way.
Chinese researchers have discovered huge magnetic toroids in the halo of the Milky Way galaxy using data from pulsars and radio telescopes. The study provides crucial constraints on the origin of cosmic magnetic fields and offers insights into the physics of our galaxy.
A new study using the James Webb Space Telescope found that the universe's early galaxies developed and matured much faster than previously believed. Almost 20% of disc galaxies observed had bar formations, indicating a more settled stage in galaxy evolution.
Researchers have discovered a star orbiting a massive black hole 33 times heavier than the sun's mass, located 1500 light-years away from Earth. The binary system Gaia BH3 contains an ordinary star that seems to have formed over ten billion years ago.
Researchers found compelling evidence that the Milky Way highlighted Nut's divine presence, tracing her backbone across the heavens. The study also connected Egyptian beliefs with those of other cultures, showing similarities in how different societies interpret the Milky Way.
Astrophysicists simulated 1,000 stars orbiting the galaxy's central supermassive black hole and found that collision survivors can lose mass to become stripped down low-mass stars or merge with other stars. The likelihood of collision increases for stars closer to the supermassive black hole.