Articles tagged with Sun
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.
Researchers observed L2 Puppis, a star similar to the Sun 5 billion years ago, to understand its evolution and potential impact on planets. A planet orbiting the giant star may offer clues about Earth's ultimate fate.
A new optical chip enables astronomers to capture clear images of exoplanets near their host sun, overcoming the challenge of intense solar brightness. This breakthrough technology uses an interferometer to cancel out sunlight and detect fainter planet light, paving the way for discovering planets with conditions suitable for life.
IRIS collects data on the temperature and movement of solar material to determine how it drives the constant changes on our sun. The mission aims to answer questions about coronal heating and solar activity, with recent studies suggesting distinct bomb-like events.
The new observatory will record high-resolution images of the Sun every five seconds, measuring internal gravity waves and their role in transporting energy and momentum. The data will aid in understanding space weather events, solar coronal heating, and the structure of the Sun's atmosphere.
The CU Boulder instrument suite, EXIS, will measure energy output from the sun that can affect satellite operations, telecommunications, GPS navigation, and power grids on Earth. The instruments will provide rapid alerts for solar flares and monitor extreme ultraviolet light wavelengths.
NASA's Magnetospheric Multiscale mission (MMS) is breaking records with a Guinness World Record for the highest altitude fix of a GPS signal, reaching 43,500 miles above Earth. The four MMS spacecraft maintain tight formations to map magnetic reconnection and study phenomena around the universe.
Scientists at the University of Virginia have made new inroads on understanding the fundamental physics behind hybrid organic-inorganic perovskites (HOIPs), a class of materials that are extremely lightweight and flexible. By discovering ways to stabilize their properties, researchers hope to expand the temperature stability range of H...
A recent study by Caltech researchers Konstantin Batygin and Mike Brown suggests that the large, undiscovered planet Planet Nine is responsible for the sun's tilted orbit. The planet's massive size and unique orbit cause a multi-billion-year wobble in the solar system, resulting in a six-degree tilt.
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.
The MinXSS CubeSat collects data on soft X-rays, providing insight into solar flare physics and temperature, density, and abundance of solar flare material. This information is crucial for understanding how flares evolve and heat the sun's atmosphere.
Astronomers captured the best view yet of a breaking apart comet using NASA's Hubble telescope. The images show 25 fragments drifting away from the comet at walking speed, suggesting it may be spinning so fast that material is ejected from its surface.
Research from the University of Warwick suggests that Planet Nine's existence could lead to the elimination of a giant planet and its ejection into interstellar space. The hypothetical planet's presence could cause a 'pinball' effect, hurling planets out of the solar system as the sun dies in around seven billion years.
Plant biologists discovered how sunflowers use their internal circadian clocks to follow the sun during the day as they grow, acting on growth hormones. The plants' ability to track the sun was disrupted when staked or turned away from the sun, and continued even in an indoor growth chamber with a fixed light source.
The median installed price of solar in the US fell by 5-12% in 2015, with residential systems declining 5% and utility-scale projects falling 12%, according to two new studies from Lawrence Berkeley National Laboratory. The report attributes recent system price declines to reductions in hardware costs and 'solar soft' costs.
Researchers have identified a young star over 30 times the mass of our Sun, which could help us understand how massive stars are formed. The discovery suggests that massive stars form in a similar way to smaller stars like our Sun.
Arctic sea ice cover is still declining despite slower melt rates, scientists say. The new normal for sea ice extent is expected to remain low due to extreme weather conditions.
Researchers at SLAC and Stanford have created a nanostructured device that disinfects water using the full range of visible sunlight, killing bacteria in minutes. The device triggers the formation of hydrogen peroxide and other disinfecting chemicals.
According to new theoretical work, life on Earth is actually premature from a cosmic perspective. The chances of life growing much higher in the distant future due to star lifetimes were found to be 1000 times higher than now. Scientists recommend studying nearby red dwarf stars and their planets for signs of habitability.
The NASA Solar Probe Plus mission is progressing toward its anticipated summer 2018 launch after passing a critical design review. The spacecraft will collect data on the mechanisms that heat the corona and accelerate the solar wind, crucial for understanding our space weather and its impact on satellites.
NASA's Solar Dynamics Observatory (SDO) captured a video of twisting solar material on the sun's surface, showcasing turbulence caused by combative magnetic forces. The footage reveals a dark filament suspended above the sun's surface.
A team from Southwest Research Institute suggests that asteroid impacts during the early days of Earth's history led to a massive greenhouse effect, stabilizing temperatures and delivering essential elements for life. This mechanism may have played a key role in sustaining liquid water on our planet.
A large-scale study found a slight increase in risk of cutaneous melanoma among men taking PDE5 inhibitors for erectile dysfunction, but this was largely explained by greater sun exposure. The study suggests that these drugs are unlikely to be associated with an increased risk of skin cancer.
A team of researchers discovered a new planet orbiting two suns simultaneously, Kepler-1647b, the largest circumbinary planet with a mass and radius similar to Jupiter. Located 3,700 light-years away, the planet has an enormous orbit taking roughly three Earth-years to complete.
Scientists at the University of Delaware discovered a 23-million-year-old brown dwarf that can emit powerful flashes of light, stronger than the sun's. The ultracool brown dwarf, 2MASS 0335+23, has lots of flares as hot as or hotter than full-fledged stars.
A MSU physicist developed a new model that predicts the speed of solar plasma during solar flares, likening it to the path traveled by a thrown baseball. The model has implications for understanding how solar flares evolve and providing better ways to predict them.
A new study suggests that comets like 67P/Churyumov-Gerasimenko may undergo a repeating process of breaking up and reuniting, driven by spinning dynamics. The research team used numerical models to simulate the past life of 67P, predicting exactly where cracks would form on its neck.
Astronomers at Lund University propose that Planet 9, a mysterious object in our solar system, may be an exoplanet captured by the sun. The study suggests that the sun stole the planet from its original star during a close encounter.
The image reveals details as small as 20 to 30 miles across, showcasing the planet's polar caps, clouds, and vivid rust-colored landscape. The Hubble view also highlights ancient features such as Syrtis Major Planitia and Hellas Planitia basin.
The NASA-funded Interface Region Imaging Spectrograph (IRIS) captured striking images of Mercury during its May 9, 2016 transit across the sun. By observing this phenomenon, researchers can calibrate IRIS and gather data on the sun's lower atmosphere.
Researchers find that planets in the red giant habitable zone can stay warm for up to half a billion years, potentially allowing life to thrive. This discovery offers optimism for the chances of life existing on worlds orbiting older stars.
The MMS mission directly observed magnetic reconnection for the first time, revealing a critical step in understanding space weather. By studying the phenomenon, scientists can better understand solar flares, coronal mass ejections, and auroras.
Three NASA satellites will observe Mercury's transit, offering a rare opportunity to study planetary motion and the sun's effects. The event will also be used to calibrate space instruments and test spacecraft.
New research by astronomers at the Harvard-Smithsonian Center for Astrophysics examines scenarios for Planet Nine's formation and finds most have low probabilities. The simplest solution suggests the solar system created an extra gas giant, boosting Planet Nine into its wider orbit over time.
A team of astronomers has discovered three planets with sizes similar to Earth's orbiting the ultracool dwarf star TRAPPIST-1, which may possess habitable regions. The planets' orbits are extremely close to their host star, receiving four times and twice less radiation than Earth.
A team of astronomers has discovered a unique rocky body in the Oort Cloud, a region surrounding the Sun like a giant soap bubble. The object, dubbed a Manx comet due to its tailless nature, is believed to be one of the potential building blocks of rocky planets like Earth.
Physicists validate numerical simulation methods using 40 methods and 15 software packages, confirming high precision. The study's results aim to improve accuracy in theoretical speculation.
Astronomers have identified a young and bright planet-like object, 2MASS J1119-1137, which is only 10 million years old and four to eight times the mass of Jupiter. This discovery provides valuable insights into giant planets outside our Solar System and offers a unique opportunity to study these objects.
The Solar Wind Around Pluto (SWAP) instrument collected three years' worth of measurements before the July 15 Pluto flyby. Data showed that the solar wind's tumultuous flow becomes more uniform by the time it reaches Pluto's orbit.
Astronomers have captured unprecedented details of the TW Hydrae disk, which may host a super-Earth or an infant version of our home planet. The images show concentric dusty bright rings and dark gaps, including a tantalizing gap at Earth's distance from the star.
A team of scientists has found that a star similar to the Sun could potentially create a massive eruption known as a superflare, which could have devastating effects on Earth. The research used data from nearly 100,000 stars to show that superflares are likely formed through the same mechanism as solar flares.
Astronomers capture shock breakout of a supernova for the first time in visible light, revealing unexpected diversity in cataclysmic stellar events. The observations, made using NASA's Kepler space telescope, matched up well with mathematical models of Type II explosions.
Researchers at York University have detected the fastest winds ever seen near a supermassive black hole, with speeds reaching 200 million km/h. This discovery sheds light on quasar winds' role in galaxy formation and their impact on star creation.
A new study uses IBEX data to determine the strength and direction of the interstellar magnetic field beyond the solar system, providing insight into the galaxy's magnetic forces. The findings are based on simulations that correctly predict the locations of neutral ribbon particles and agree with Voyager 1 measurements.
The CANYVAL-X mission demonstrates the technology for a virtual telescope by aligning two tiny satellites to create a single telescope. This feat is expected to benefit scientists studying the sun's corona and searching for planets beyond our solar system.
Astronomers have discovered a binary star system with the longest duration stellar eclipse, lasting three and a half years, and the longest period between eclipses in a binary system. The system, TYC 2505-672-1, is approximately 20 astronomical units from Earth and consists of two red giant stars.
The study reveals that asteroids are destroyed when they approach the Sun, explaining discrepancies in meteor stream observations and providing a new perspective on asteroid interiors. The team's discovery allows for the testing of models of asteroid interiors by tracking their orbits and sizes.
Assistant Professor Yuze Sun is developing an all-liquid optofluidic laser for cancer detection and other biosensing applications. The laser's adaptive nature achieves high-precision tuning, making it biocompatible and bioconfigurable.
The Heliophysics CubeSat will measure incoming radiation that can affect Earth's radio communications, satellite electronics, and power grids. The satellite will provide unprecedented insight into the sun's impact on our planet.
Researchers have developed a new sunscreen called Solar D that maximizes vitamin D production while maintaining its SPF. The study found that Solar D allowed for up to 50% more production of vitamin D in-vitro compared to a popular commercial sunscreen, potentially reducing the risk of vitamin D deficiency and related health problems.
Astronomers have found five objects with similar properties to the massive stellar system Eta Carinae, including a class of less massive stars. These discoveries were made using archival data from Spitzer and Hubble space telescopes, which identified key characteristics such as dust formation and infrared emission.
New research indicates that stars older than the Sun spin less than expected, affecting age calculations. This discovery has significant implications for understanding stellar aging and predicting future changes in our own Solar System.
Aging stars stop slowing down as their magnetic field interacts with a wind of particles flowing away from its surface, according to research published in Nature. This discovery challenges previous theories on stellar rotation and has implications for understanding how the Sun influences its local environment, including planets.
Researchers at Princeton Plasma Physics Laboratory have discovered a mechanism that can halt solar eruptions before they reach the Earth. This finding could improve the timing of future space missions and provide crucial insights for protecting satellites and power grids from geomagnetic storms.
Researchers at the University of Leicester suggest that supermassive black holes can grow up to 50 billion solar masses before their gas discs collapse, starving them of fuel. Without a disc, the black hole would stop growing, marking a significant limit on its size.
Astronomers have discovered a planetary system with an enormous planet sandwiched between a Sun-like star and a dwarf star. The planet's massive eccentric orbit indicates gravitational influence from the dwarf star, leading to Kozai oscillations that cause it to 'dance' between the two stars.
Researchers developed a glass coating that boosts solar cell efficiency by up to 27.7% and repels dust and pollution, addressing the issue of fixed panel angles and self-cleaning capabilities.
Researchers have discovered a stellar superflare on KIC9655129 with wave patterns similar to those observed in solar flares, suggesting the potential for the Sun to also produce a superflare. This could lead to catastrophic consequences, including power blackouts and disruptions to GPS and radio communication systems.
STEREO-A has resumed its normal science operations, transmitting lower-resolution real-time data and high-definition images of the sun's surface and atmosphere with a two- to three-day delay. This allows scientists to better track solar events and make accurate models of interplanetary space weather.
A new study suggests that vast quantities of radiation from superflaring Red Dwarf stars like Kepler-438 can strip away an atmosphere and make a planet uninhabitable. The energy released by each superflare is equivalent to 100 billion megatons of TNT, posing a significant threat to life on Earth-like planets.
Researchers at Yale and Harvard have found a galaxy with a heartbeat, detecting the effects of pulsating older red stars on its light. The mean pulse of the stars in M87 is about one beat every 270 days.