Articles tagged with Binary Stars
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
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.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
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.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Scientists using the MeerKAT radio telescope have discovered a unique and previously-unseen flare of radio emission from a binary star system. The source is thought to be associated with an active corona, where two objects orbit each other approximately every 22 days.
A new study models Earth's axis tilt and finds that 87% of exo-Earths in binary systems should have similar steady tilts, favoring climate stability for complex life. However, a modeled exo-Earth around Alpha Centauri B shows unstable dynamics due to the star system's powerful gravity, making it challenging for evolution.
Dr Markus Mugrauer's study confirms the influence of multiple stars on planet formation and development. He found 200 companion stars to planetary host stars up to 1,600 light years away, including red and white dwarf stars.
Researchers observe two massive protostars forming a binary star system, separated by 180 astronomical units and orbiting each other every 600 years. The study suggests that the stars are formed from a common disk during the initial collapse of the cloud.
Astronomers have discovered a binary star system with PDS 27 and its companion just 4.5 billion km apart, making them the closest high-mass young stellar objects in binaries resolved to date. This discovery provides a valuable laboratory to test theories on high mass binary star formation.
Astronomers find that binary star interactions can expand the habitable zone, increasing the likelihood of life on planets. Simulations reveal that 20 out of 350 binaries in young star clusters are squeezed together, expanding their habitable zones.
Researchers have found a smoking gun linking a young exoplanet's misaligned orbit to a close stellar flyby. The study, published in the Astronomical Journal, suggests that such encounters can reshape planetary systems and determine their ability to harbor stable orbits.
Researchers have discovered a binary interaction between stars, leading to slower mass loss rates. This changes our understanding of how stars end their lives and the chemical evolution of galaxies.
Researchers led by Penn State astronomer Pragati Pradhan found that stellar winds, composed of protons, electrons, and metal atoms, contain dense clumps. The Chandra data revealed a 'Compton shoulder' indicating back scattering by surrounding matter, providing new insights into star environments.
Researchers discovered a double star system with a planet-forming disc that orbits at right angles to the binary star orbit, challenging traditional theories. The finding suggests that misaligned circumbinary planets may exist and could have unique seasonal variations.
Researchers identified hydrogen-rich debris shed by a companion star, revealing it was likely a red giant or similar star that made its partner go supernova. This discovery sheds light on the types of companions that trigger Type Ia supernovae, which are used for cosmological studies.
The ESO's VLT captured the details of an elaborate serpentine system sculpted by colliding stellar winds, with Apep being a likely source of one of the most energetic phenomena in the Universe. The system consists of a nest of massive stars surrounded by a dust pinwheel.
Researchers have discovered a binary star system containing massive Wolf-Rayet stars that are spinning extremely fast, producing incredibly fast winds. The system's wind speeds are 100,000 times quicker than a hurricane on Earth, while the surrounding dust cloud moves at a much slower pace, suggesting unequal gas distribution.
Astronomers using NASA's NuSTAR satellite have revealed that binary star system Eta Carinae is capable of creating cosmic rays. The team observed the system and found evidence of a collision between the two stars' stellar winds, which forms shock waves and accelerates particles to nearly the speed of light.
The project aims to develop a new software system for spectral analysis of complex astrophysical objects. The team plans to use this software to model various objects such as single stars and double star systems with relativistic sources of hard radiation.
Using a pioneering method, researchers discovered a massive neutron star with a mass of approximately 2.3 Solar masses. This discovery challenges the previous understanding of neutron star masses and opens new avenues for studying these extreme objects.
New research led by the University of Warwick has found that globular clusters may be only around 9 billion years old, revised from their previous age of 13 billion. The discovery brings into question current theories on how galaxies, including the Milky Way, were formed.
Astronomers have detected a unique laser emission from the heart of the Ant Nebula, indicating the presence of a double star system. The phenomenon was discovered using European Space Agency's Herschel space observatory and is connected to the death of a star.
Planets in short-period binary star systems are at risk of being ejected due to tidal forces, which slow down stellar rotations and expand orbital periods. This process removes at least one planet in 87% of multiplanet circumbinary systems, making them less suitable for habitability studies
New research confirms that 'Oumuamua, the first confirmed interstellar asteroid, originated from a binary star system. The study found that rocky objects like 'Oumuamua are far more likely to come from binary systems than single star systems.
Astronomers have developed a novel method to measure the masses of solitary stars with an accuracy of 10-25 percent. This technique combines light fluctuations and parallax data to infer surface gravity and diameter, providing critical information for understanding star formation, evolution, and planetary systems.
A team of astronomers from Georgia State University has discovered two old binary stars and identified 29 new old star candidates using a technique called astrometry. The study focused on subdwarf stars, which are cooler and older than the sun, and used their motion across the sky to determine their age.
Scientists have observed a contracting white dwarf for the first time, providing insights into young stars' evolution. The discovery suggests that young white dwarfs contract as they age, challenging current understanding of their behavior.
Hubble identifies potential targets for Webb using preparatory science observations, filling observational gaps in the infrared spectrum. Astronomers plan to use Hubble to survey multiple targets and determine the best strategy for Webb, optimizing observation time.
Researchers at the University of Notre Dame have discovered that the unique binary star system AR Scorpii exhibits variability on a timescale of decades, contrary to initial expectations. The study found that the system's brightness more than doubled in minutes and hours, but also showed long-term changes over decades.
Astronomers found that the fastest-moving stars in the Milky Way originated in the Large Magellanic Cloud, a dwarf galaxy in orbit around our own. Computer simulations and data analysis showed that these stars were ejected from their original home at incredible speeds.
Researchers found that nearly all sunlike stars form with a companion, but these companions often escape and merge with other stars. The study's findings have implications for the origins of galaxies and suggest that many stars are born in pairs, like our sun and its long-lost sibling.
Researchers detect methyl isocyanate in solar-type protostar, a precursor to complex compounds like peptides and amino acids. The finding suggests that planets could begin with the chemical ingredients needed for life, supporting the theory of prebiotic chemistry in space.
Astronomers report the discovery of a binary solar-type star inside the supernova remnant RCW 86, with calcium abundance exceeding the solar one by a factor of six. This finding suggests that the supernova might belong to the rare type of calcium-rich supernovae.
Astronomers have observed a star orbiting a black hole at a rate of nearly twice an hour, marking the tightest orbital dance between a black hole and a companion star ever seen. The discovery was made using the combined power of three advanced telescopes.
A UCL-led team found evidence of planetary debris surrounding a double sun system called SDSS 1557, which suggests the presence of terrestrial planets like Tatooine. The discovery is remarkable because it shows a high metal content, including silicon and magnesium, indicating rocky planet assembly via large asteroids that formed.
An international team of astronomers has imaged the Eta Carinae star system in unprecedented detail, revealing a region where extremely high-velocity stellar winds collide. The observations provide valuable insights into the basic parameters of the binary system and its internal structure.
Astronomers using Kepler and Swift missions discover 18 stars that rotate rapidly, producing X-ray emissions at more than 100 times the sun's level. These stars are believed to have formed from the merger of two sun-like stars in close binary systems.
A rare triple-star system has been discovered by a University of Oklahoma-led research team using ALMA observations, providing insights into the formation of young binary and multiple star systems. The team found that the disk surrounding the tri-star system appeared susceptible to fragmentation, leading to the creation of newborn stars.
Scientists have observed a young stellar system fragmenting into multiple stars, supporting two theories on star formation: disk fragmentation and cloud instability. The discovery was made using ALMA and VLA observations of the L1448 IRS3B system in the Perseus constellation.
Research found that circumbinary planets can survive the late stages of their binary star's life by moving to wider orbits. Many such planets are likely to escape destruction and potentially become habitable for a short period.
Researchers have observed a binary star system with two stars and three rotating planet-forming accretion discs, all misaligned with each other. The discovery challenges current understanding of planetary system formation and prompts further study to understand the physics behind this unusual system.
The collaboration will improve the sensitivity of the interferometric telescopes and enable the observation of smaller objects in the sky. The new system will allow astronomers to study high-interest targets such as dusty debris disks and accretion disks around newborn stars.
A team of Carnegie scientists has discovered three giant planets in a binary star system composed of stellar 'twins' that are also effectively siblings of our Sun. The findings may help explain the influence that giant planets like Jupiter have over a solar system's architecture.
A team of researchers from the Instituto de Astrofísica de Canarias has discovered a new gaseous component in a planetary nebula, which is helping to understand the chemical evolution of our Galaxy. The component, rich in heavy elements such as oxygen and carbon, was detected using the OSIRIS instrument on the Gran Telescopio CANARIAS.
Researchers directly detected a gas giant planet with a wide orbit in the young triple star system HD 131399, challenging existing knowledge about exoplanet detection. The unusual arrangement of the three stars and the planet's size, containing water and methane, may have formed through interactions between planets or binary stars.
Computer simulations of evolving binary stars predict the formation of massive black hole binaries that can be detected by LIGO. The simulations show a high likelihood of these events occurring due to the production of low-metallicity stars in the early universe.
New Atacama Large Millimeter/submillimeter Array (ALMA) images provide detail on the binary star system HD 142527, revealing a broad ring of dust and ice. The system's formation is expected to yield insights into planetary systems around binary stars.
Astronomers have discovered a crescent-shaped dust cloud in the outer reaches of a binary star's protoplanetary disk, providing fresh insights into planet formation. The cloud may be the key to forming planets in binary systems, with its lack of free-floating gases likely due to freezing out and forming ice on dust grains.
Researchers found a massive star pretending to be a supernova, emitting X-rays consistent with a neutron star core. The system's unique pairing suggests it may be one of the rarest types of binary systems, offering insights into star formation and evolution.
Researchers used new methods to model the common-envelope phase of binary stars, revealing dynamic instabilities crucial for supernova evolution. These turbulent fluctuations affect a star system's fate, influencing whether a supernova occurs and its type.
Researchers confirm that Ancient Egyptian texts describe astronomical phenomena, including the discovery of Algol's period, three millennia earlier than previously thought. The brightest phases of Algol and the Moon had positive meanings for the Ancient Egyptians.
Researchers identified the orbital partner parasitized by a blue straggler, a star that appears younger and brighter than expected. The study expands our understanding of binary star systems, bringing 25% of all stars into the fold of stellar evolution.
A PhD candidate at Queen's University has made a groundbreaking discovery of the first massive binary star with magnetic fields. The research provides new insights into the origin of magnetism in massive stars and may help explain why only 10% of these stars have strong magnetic fields.
Scientists use archived data from NASA's Hubble Space Telescope to study 13 unusual exploding stars, known as supernovae. These young stars were ejected from their galaxies at high speeds, and astronomers believe that supermassive black holes in merging galaxies played a key role in their ejection.
Researchers have discovered a unique binary star system, Gaia14aae, where one star eclipses the other. The system is an important laboratory for studying ultra-bright supernova explosions, which help measure the expansion of the Universe.
Scientists will observe the event from radio wavelengths to gamma rays, measuring the massive star's gravity and magnetic field. The pulsar's passage through the disk will trigger astrophysical fireworks, providing a probe for studying the system.
Astronomers discovered a peculiar Wolf-Rayet star, Nasty 1, with a vast pancake-shaped gas disk encircling it. The disk may have formed from an unseen companion star through mass transfer in a binary system.
A team of astronomers witnessed a supernova smashing into a nearby star, creating an ultraviolet glow that reveals the size of the companion. The study provides new insights into the origin of type Ia supernovae.
A team of researchers has discovered a hidden companion to Delta Cephei, a key variable star used for measuring cosmic distances. The companion, with a mass around 10 times lower than Delta Cephei's, was detected using high-precision Doppler spectroscopy and is likely to impact the accuracy of distance measurements.
An international team of astrophysicists has witnessed the formation of a quadruple star system, consisting of a young star and three gas clouds that will develop into stars in 40,000 years. The system is unstable and prone to interference due to its multiple members.
Scientists have observed a multiple-star system in its early stages of formation, with three dense condensations that will collapse into stars in just 40,000 years. The system is expected to form a stable triple-star system, with the fourth star potentially leaving the system soon.
International team of astronomers observes multiple-star system forming in Perseus constellation, revealing how stars are separated during early stages of formation. The discovery advances understanding of conditions governing the type of star systems to develop.
A team led by Andrea Ghez determined that G2 is most likely a pair of binary stars that had been orbiting the black hole in tandem and merged together into an extremely large star. The research suggests that many of the stars at the center of the galaxy are massive and mostly binaries.
Researchers have discovered a 'wheel in a wheel' of dust and gas in the binary star system GG Tau-A, indicating that material is being transferred between the outer and inner disks. This finding has major consequences for potential planet formation, suggesting that multiple-star systems can form planets despite their complicated dynamics.