Articles tagged with 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.
Astronomers using ALMA have found evidence of independent origins for two gas flows from a baby star. The slow outflow and high-speed jet have misaligned axes, indicating they were launched from different parts of the disk around the protostar.
Researchers used Keck Cosmic Web Imager to study DGSAT I, a solitary ultra-diffuse galaxy with unusual chemical composition. Its low iron content and normal magnesium levels contradict current theories on UDG formation, sparking new questions about galaxy origins.
The NIST Astrocomb allows the detection of Earth-mass planets orbiting M dwarf stars, which comprise 70% of stars in the galaxy. The precision provided by the comb enables astronomers to find habitable planets around the most ubiquitous stars near Earth.
Researchers have spotted a massive young stellar object with a jet emitted by a fledgling star, shedding light on the early lives of stars. The observations were made possible by ESO's MUSE instrument, which has been improved by the addition of Adaptive Optics Facility.
Astronomers using ALMA have detected complex organic molecules around the young star V883 Ori, similar to those found in comets in our Solar System. The distribution of these molecules has a ring-like structure with a radius of 60 au, which is twice the size of Neptune's orbit.
Astronomers have created the first accurate 3D map of the Milky Way, revealing it is warped and twisted, with young stars in the outer regions.
The MaNGA survey reveals the internal structure and composition of nearly 5,000 nearby galaxies, using resolved spectroscopy to dissect their composition and study star motions. The data release includes a massive 'stellar library' with spectra of over 3,000 stars in the Milky Way galaxy.
Scientists have discovered a 1.3 km radius body beyond Neptune's orbit, revealing more about the planet formation process. The detection supports models where planetesimals grow slowly into kilometer-sized objects before merging to form planets.
Dr Clare Dobbs' research will focus on the formation and evolution of young massive star clusters, a crucial aspect of understanding galaxy formation. The five-year project aims to tackle the puzzle of how stars develop in densely packed regions of space.
The protection of extraterrestrial life is not stipulated in international space research agreements. However, launching miniature interstellar probes poses a risk to habitable but sterile oxygen planets. Research suggests that these planets are unlikely to support life due to the corrosive effect of free oxygen.
Massive black holes may have formed in rare, densely populated areas of the early universe, a new study suggests. The team used simulations to model the growth of dark matter halos and found that rapid assembly prevented normal star formation, leading to black hole formation instead.
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.
Researchers observe evidence of a 'hot cocoon' material enveloping a relativistic jet escaping a dying star, providing insight into the earliest moments of a supernova. The discovery was made using a coordinated approach with space- and ground-based observatories.
The MIRC-X camera allows astronomers to study the inner regions of planet-forming disks, gaining insights into the formation of rocky planets. Scientists can now explore previously inaccessible areas of young stars and gain new understanding of the solar system's early stages.
Researchers from Lehigh University's STAR Collaboration, led by Rosi Reed, use the Beam Energy Scan to test the limits of quark-gluon plasma and map its phase diagram. The goal is to understand the nuclear strong force and Quantum Chromodynamics.
Astronomers have developed a massive library of star spectra, enabling them to reconstruct the composition and history of distant galaxies. By analyzing thousands of stars in our Milky Way galaxy, researchers can build up a "library" of stellar spectra, allowing them to understand the unique mix of stars that makes up each galaxy.
Stellar winds from infant stars in the Orion Nebula disrupt the formation of new stars by blowing away seed material. The winds create a bubble that regulates physical conditions and influences star formation activity.
A new study has discovered that oscillating X-rays from consumed stars can reveal the mass and spin of a black hole. By analyzing the quasi-periodic oscillation every 131 seconds, researchers found that the signal is representative of the physical properties of the black hole itself.
Scientists from the University of Colorado Boulder have developed a new technique for finding galaxy mergers, which may be crucial for building huge galaxies and forming new stars. The method was tested on data from the Sloan Digital Sky Survey and successfully identified fusing galaxies 80% of the time.
Scientists have discovered that dark matter can be heated up and pushed outwards due to star formation in galaxies. This phenomenon, known as 'dark matter heating', has been observed in 16 dwarf galaxies with varying star formation histories.
Scientists used data from NASA's Fermi Gamma-ray Space Telescope to measure all starlight produced over 90% of the universe's history. This analysis provides a reference for future missions exploring stellar evolution and confirms previous measurements of star-formation rates.
Researchers discover Chinese pyramids exhibit surprising orientation patterns, defying expectations of traditional funerary practices. The study suggests that ancient Chinese emperors intentionally aligned their pyramids to the star Polaris, reflecting a deeper understanding of celestial movements and astronomy.
Researchers have identified a giant, exceptional relic of a disrupted galaxy, comprising an elliptical head and a long tail. The 'tadpole' galaxy is 1 million light-years long from end to end and contains two nearby galaxies within it.
A team of astronomers has identified a giant disrupted 'tadpole' galaxy 300 million light years away, with an elliptical head and a long straight tail. The galaxy is ten times larger than the Milky Way and contains a system of two close disc galaxies.
Researchers have discovered a new massive star system dubbed 'Apep,' featuring a slow-moving dust pinwheel that defies current theories on how large stars die. The system's unusual rotation is thought to cause the star to collapse at its poles before the equator, producing a gamma-ray burst.
Researchers have successfully measured the Earth's magnetic field in the sodium layer of the mesosphere using laser-generated artificial stars. This technique allows for ground-based observations of the mesosphere, previously difficult to access, and holds promise for monitoring space weather and measuring electrical currents.
Researchers have observed a powerful outflow of hydrogen gas from the Small Magellanic Cloud, indicating it may eventually stop forming new stars. The discovery provides insight into the evolution of galaxies and the potential source of gas for the enormous Magellanic Stream surrounding the Milky Way.
Researchers found that the Wild Duck Cluster's stars are older than initially thought due to their rotational periods, which affect their hydrogen core mixing and lifetime. This discovery sheds light on how stars form and evolve, challenging previous assumptions about open clusters.
Researchers found a shared origin in one large merger for most halo stars, indicating the Milky Way formed from a massive collision. The young stars from Gaia-Enceladus are younger than native Milky Way stars in the thick disk region.
Researchers observed a powerful outflow of hydrogen gas from the Small Magellanic Cloud, a tiny dwarf galaxy. The discovery provides the first clear observational measurement of mass lost from a dwarf galaxy, shedding light on its slow death and potential impact on the surrounding Milky Way galaxy.
A team of UC Riverside-led scientists have made the best measurement yet of why star formation stops in galaxy clusters in the early universe. They found that it takes a galaxy longer to stop forming stars as the universe gets older, with quenching timescales varying across 70 percent of the universe's history.
Researchers used supercomputers to simulate early universe, revealing formation of first stars and galaxies. Metal-enriched gas enabled rapid star formation, leading to smaller, more numerous stars and galaxy evolution.
A young star with a protoplanetary disc has been discovered to have four Jupiter and Saturn-sized planets in orbit around it. The system's extreme range of orbits raises questions about how such a system might have formed.
Researchers from Instituto de Astrofísica de Canarias have discovered a star with an atmosphere devoid of metals, which is believed to be one of the oldest objects in the Milky Way. The study provides valuable information about the origin of the universe and the formation of the first stars.
Researchers have discovered a sonic boom from an immense, unseen gamma-ray burst explosion. The blast generated two jets of gamma rays that crashed into surrounding gas, producing a shock wave akin to a sonic boom. This finding provides crucial new insight into the nature of gamma-ray bursts and their jets.
Researchers observed transit timing variations in Kepler-1625b's HST-recorded transit, suggesting the presence of an exomoon. The moon would have caused a delay in the transit start time, which occurred nearly 80 minutes earlier than expected.
A team of UCSB students, led by Philip Lubin, are searching for signs of alien life in Andromeda using a suite of telescopes and photonic technology. They aim to detect potential signals from civilizations using optical beams that could be visible across the universe.
The Gaia satellite has detected substructures in the Milky Way's star disk, indicating a 300-million-year-old gravitational disturbance caused by the Sagittarius Dwarf galaxy. Researchers used precise data to analyze shapes and twisting patterns, leading to new findings on galactic archaeology
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.
For the first time, researchers have observed a powerful 'galactic wind' of molecules in a galaxy 12 billion light-years away, providing insights into how early galaxies regulated their growth. The wind was detected in a galaxy called SPT2319-55, which is more than 1 billion years old.
Astronomers have detected the most-distant galactic 'wind' of molecules ever observed, seen when the universe was one billion years old. The galaxy SPT2319-55, 12 billion light-years away, shows a powerful outflow of hydroxyl (OH) molecules, which could help regulate starbirth and galaxy growth.
Astronomers create highest resolution molecular gas map of 'monster' galaxy, COSMOS-AzTEC-1, 12.4 billion light years away. The map shows a massive, ordered gas disk in regular rotation, defying previous theoretical predictions.
The James Webb Space Telescope relies on innovative components like the 'Spider', a thermally isolating device with Kevlar fibers, to accurately detect light from distant galaxies and celestial objects. This cutting-edge technology enables the telescope to observe objects in the Kuiper Belt and study the universe's origins.
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.
A team of Chinese astronomers has discovered the most lithium-rich giant known to date using the LAMOST telescope. The star's lithium abundance is approximately 3,000 times higher than that of typical giants, providing valuable insights into the universe's evolution and Big Bang theory.
Astronomers discover rare radioactive molecule 26AlF in debris of ancient stellar merger CK Vul, revealing insights into star formation and galactic evolution. The detection marks the first time this isotope has been found outside our solar system.
Astronomer Daniel Wang will collaborate with Jorge Cuadra in Chile to study the massive black hole at the center of the Milky Way, aiming to understand its interactions with the galactic ecosystem. This research has significant implications for our understanding of galaxy-wide properties and astrophysical processes.
TESS starts its search for planets, monitoring the nearest and brightest stars for periodic dips in their light, which suggest a planet may be passing in front of its star. The mission aims to discover thousands of exoplanets, some potentially supporting life.
Researchers used the Keck Cosmic Web Imager to examine Q2343-BX418, a young galaxy about 10 billion light years away, providing insights into its gas halo and its role in star formation. The study suggests that the galaxy's surrounding gas is giving off a specific type of light, offering clues to its evolution.
The James Webb Space Telescope will observe the atmospheres of gas giant exoplanets, including WASP-79b and WASP-43b, to detect water, carbon monoxide, and other molecules. The telescope aims to understand the physical processes responsible for these variations and their implications for potentially habitable planets.
Researchers Corey Howard, Ralph Pudritz and William Harris use supercomputer simulations to re-create star cluster formation. The study shows that massive star clusters are the natural outcome of large gas collections, and can be used to reverse-engineer galaxy conditions.
Researchers use computer simulations to test dark matter's presence in satellite galaxies, finding a relationship that could clarify its existence. The study uses radial acceleration relation data from the Gaia spacecraft to make predictions about the behavior of dwarf galaxies.
A team of astrophysicists propose a new model for the formation of globular clusters and supermassive stars. They suggest that a runaway collision process between densely packed stars in globular clusters could form a supermassive star, explaining the unusual chemical elements found in these clusters.
Researchers capture strong evidence for intermediate-mass black holes using satellite imaging and multiwavelength radiation flares. The discovery provides insight into the nature of these elusive objects and their potential prevalence in galaxy peripheries.
A team of scientists tracked a stellar death caused by a supermassive black hole ripping apart a star in the Arp 299 galaxy. The researchers directly imaged the formation and expansion of a fast-moving jet of material ejected when the black hole destroyed the star.
Researchers found relics of merger events in the Milky Way halo using Gaia Data Release 2. Five small clusters and a large 'blob' of stars indicate massive and smaller merger events shaped the galaxy. This study provides insights into the Milky Way's evolution, with further analysis to reveal more about its formation.
Researchers have found a rare galaxy, NGC 1277, that has remained unchanged since its formation in the early universe. The discovery provides valuable information about galaxy evolution, as it has preserved its original composition and structure over billions of years.
A new technomarker, the Clarke exobelt, could be used to detect intelligent civilizations. The optimal conditions for observing these artificial belts are found for planets in orbit around red dwarf stars.
Researchers observed radio waves to measure carbon monoxide gas in distant galaxies, revealing that stars born during intense starbursts are massive. The findings challenge classical ideas about star formation and galaxy evolution over cosmic time.
Scientists Ewine van Dishoeck, Emmanuelle Charpentier, Jennifer A. Doudna, Virginijus Šikšnys, A. James Hudspeth, Robert Fettiplace, and Christine Petit receive the Kavli Prizes for their pioneering work on star formation, DNA editing, and hearing mechanisms. The breakthroughs have transformed our understanding of existence, advancing ...