Articles tagged with Astronomical Spectroscopy
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.
A unique new instrument and powerful telescope allow researchers to peer into galactic nurseries at the heart of the young universe. The team used gravitationally lensed galaxies to observe two DLA clouds, determining their size and mass for the first time.
The FAST telescope detected accurate magnetic field strength in molecular cloud L1544, suggesting an early transition to supercriticality. The HINSA Zeeman effect revealed a coherent magnetic field structure throughout the interstellar medium.
A team of astronomers has made the most precise measurements yet of the motions of stars around Sagittarius A*, the supermassive black hole at the center of the Milky Way. The research, using cutting-edge facilities like Gemini Observatory and the European Southern Observatory's Very Large Telescope, shows that nearly all of the mass c...
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.
A team of astronomers used LAMOST observations to classify hundreds of unidentified gamma-ray sources as blazars. The study provides insight into the nature of these sources and their potential counterparts in active galaxies.
Researchers have solved a long-standing debate about the origin of rock varnish in deserts by attributing its formation to microbial communities that use manganese to combat the desert sun. The study used advanced techniques such as X-ray spectroscopy and DNA sequencing to understand how these ecosystems interact with rock varnish.
Researchers at George Mason University are conducting a NASA-funded project to model telluric absorption features using iSHELL stellar spectra and line-spread functions. The goal is to improve EPRV measurements with high precision, enabling the detection of exoplanet atmospheres.
Researchers discovered that Sun-like stars create lithium later in their lives, after swelling into red giants, contradicting previous theories. This finding will help improve understanding and modeling of Sun-like stars, including their contribution to the lithium content of our Galaxy and planets like Earth.
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.
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 successfully detected conical intersections in polyatomic molecules, a crucial step towards understanding energy flow in large molecules. The breakthrough uses ultrafast X-ray spectroscopy and offers new insights into the behavior of critical biological processes.
A team at HZB and Univ. of Freiburg has cooled 10 million ions to 7.4 K using a novel method, allowing for cryogenic X-ray spectroscopy and studying magnetism and ground states of molecular ions. This achievement paves the way for developing new materials for energy-efficient information technologies.
Astronomers have discovered a rare gravitational lensing system dubbed the Eye of Horus, which offers a unique opportunity to probe the fundamental physics of galaxies. The system, consisting of two distinct background galaxies behind a foreground galaxy, provides valuable insights into galaxy interactions and cosmology.
The team has shattered the cosmic distance record by measuring GN-z11, a surprisingly bright infant galaxy seen as it was 400 million years after the Big Bang. The observations reveal that GN-z11 is growing fast, forming stars at a rate about 20 times greater than our galaxy does today.
Electrical engineers at UC San Diego developed a spectral-cloning receiver that can extract faint, non-repetitive signals from noise. This innovation has applications in secure communication, electronic warfare, signal intelligence, remote sensing, astronomy, and spectroscopy.
A new gamma-ray spectroscope using europium-doped strontium iodide detects valuable minerals in asteroids, moons, and other celestial objects. The breakthrough technology enables accurate analysis of rock-forming elements and precious metals at lower costs and with reduced power requirements.
Celeste is a hierarchical model designed to catalog stars, galaxies and light sources in the universe, enabling astronomers to identify promising galaxies for spectrograph targeting and better understand Dark Energy. The model aims to improve data analysis methods, significantly reducing the time and effort spent working with image data.
Researchers from the Baryon Oscillation Spectroscopic Survey (BOSS) have measured galaxy distances over six billion light-years away to an unprecedented one-percent accuracy. This achievement places new constraints on dark energy and provides valuable insights into the mysterious force driving the universe's accelerating expansion.
The RHESSI satellite will utilize the June 5-6, 2012 Venus transit to improve its measurements of the sun's diameter. By analyzing the sharpness of the Venus disk as it crosses the sun, scientists can calibrate their instrument and refine their observations of the sun's horizon.
Researchers analyze light echoes from the 1837-1858 Great Eruption of Eta Carinae, revealing unexpected results and forcing them to modify physical models. The study provides a unique look at the outburst, shedding light on the behavior of massive stars near detonation.
The Cosmic Origins Spectrograph will explore the 'cosmic web', a rarefied network of hot gas lanes connecting galaxies, and map the structure of the universe. Astronomers hope to detail the evolution of the large-scale structure and understand how galaxies formed.
A team of astronomers has found a sample of massive galaxies with properties suggesting they may have formed recently, running counter to widely-held beliefs. The discovery challenges our understanding of galaxy formation and evolution, offering new opportunities for research into the origin and early history of galaxies.
Astronomers using gravitational lensing to study distant galaxies behind massive clusters, which act as giant cosmic telescopes. The ACS team has found three candidate galaxies that could provide the clearest view yet of the youngest galaxies ever seen.
Detailed studies of 12 stars with Jupiter-mass planets show concentrations of heavy elements two to three times greater than in the sun. The discovery supports the theory that stars born in heavy-element-enriched clouds are more likely to harbor giant planets.