Articles tagged with Solar Flares
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A team of scientists used Solar Orbiter's instruments to capture a large solar flare in unprecedented detail. The observations revealed that the flare was triggered by initially weak disturbances that quickly became more violent, creating a 'sky' of raining plasma blobs.
Astronomers have created a naturally occurring space weather station around complex periodic variable M dwarf stars to study the environment of planets. This discovery sheds new light on how stars affect their planets' makeup and might provide clues about the habitability of distant worlds.
Researchers at NJIT's Center for Solar-Terrestrial Research have pinpointed a previously unknown class of high-energy particles in the Sun's upper atmosphere responsible for generating intense gamma-ray signals during major solar flare events. These particles, energized to millions of electron volts, are linked to bremsstrahlung emissi...
The PUNCH mission has made significant advancements in imaging the Sun's outer atmosphere and solar wind. The spacecraft has tracked enormous coronal mass ejections, providing a unique view of space weather events and their impact on our planet.
A SwRI-led study finds that quasi-periodic pulsations (QPPs) in solar flares are driven by dynamic oscillations in magnetic reconnection. This research could help refine traditional solar flare models, providing new insights into the mechanisms driving space weather.
SOHO has provided a nearly continuous record of our Sun's activity for close to three 11-year-long solar cycles. The mission has overcome challenges, including a critical error and failed gyroscopes, but continues to produce high-quality data on a daily basis.
Scientists at NJIT's Center for Solar-Terrestrial Research tracked the impact of recent X-class solar flares on Earth's upper atmosphere. The flares triggered radio blackouts across Africa and Europe, producing auroras that reached unusually low latitudes, including as far south as Florida.
Researchers from Kyoto University have found multi-temperature coronal mass ejections from a young solar analogue, suggesting frequent strong CMEs could have driven life emergence on early planets. The study used simultaneous space- and ground-based observations to capture hot and cool plasma components.
A team from China uses the Chashan Broadband Solar Radio Spectrometer to record periodic beaded stripes during a large solar flare, revealing fast and small-scale processes in the Sun's atmosphere. The discovery sheds new light on the physical origins of fine spectral structures.
Scientists at University of Hawaii's Institute for Astronomy have discovered a new explanation for the formation of solar rain in the Sun's corona. By allowing elemental abundances to change over time, their models finally match observed phenomena, providing fresh insights into coronal heating and the Sun's behavior during flares.
The European Space Agency-led Solar Orbiter mission has split energetic particles into two groups, tracing them back to distinct solar outbursts. Researchers found that one type of particle is connected to intense solar flares and the other to larger coronal mass ejections.
Surya is a visual AI model trained on massive amounts of solar data, leveraging NASA's deep scientific expertise in cutting-edge AI models. The system aims to determine the Sun's magnetic field generation and structure, as well as its impact on the heliosphere and geospace.
Astronomers captured dark coronal loop strands with unprecedented clarity during an X1.3-class flare, measuring 48.2 km in width, the smallest ever imaged. The team's high-resolution images offer a potential breakthrough in resolving the fundamental scale of solar coronal loops and improving space weather forecasting.
A recent study published in Nature Astronomy confirmed decades-old theoretical models of magnetic reconnection in the solar corona, using data from NASA's Parker Solar Probe. The research provides new insights into the process that drives solar flares and coronal mass ejections, which can impact technology on Earth.
The UK is launching its first solar storm monitor, UK-ODESSI, to strengthen its position in space weather observation and forecasting. The mission will deploy a suite of homegrown scientific instruments on a low-cost spacecraft in low-Earth orbit, including a coronagraph and high-energy particle instrument.
A new study reveals a connection between solar flares and short-term weather patterns on exoplanets. The research found that sudden outbursts of radiation from stars can cause measurable changes in a planet's climate within days.
A powerful Coronal Mass Ejection (CME) erupted from the Sun, initiating a severe geomagnetic storm alert for Earth. The event was observed by NRL's space-based instrumentation and highlighted the importance of CME research in understanding the conditions of the Earth's magnetosphere.
Scientists have developed a groundbreaking adaptive optics system that removes blur from images of the Sun's corona, revealing clearest images to date. The technology has produced remarkable observations of fine-structure in the corona, including raindrops and turbulent internal flows.
A new study by SwRI scientists reveals that solar energetic particles (SEPs) can be twice as fast as the solar wind and are more effectively accelerated to higher energies due to their distinct velocity distribution. This discovery is crucial for understanding radiation hazards to astronauts.
A new study reveals that sporadic E layers were significantly enhanced during the recovery phase of the 2024 Mother's Day super geomagnetic storm. The phenomenon, which appears as thin and dense patches of ionized metals, was detected mainly over Southeast Asia, Australia, the South Pacific, and the East Pacific.
A new £5 million project will tackle fundamental questions in solar physics by simulating the Sun's radiation and atmospheric conditions. The Solar Atmospheric Modelling Suite (SAMS) aims to build a next-generation modelling tool for the solar atmosphere, capturing its complex dynamics.
A Southwest Research Institute-led team identified a rare helium isotope (³He) emitted from the Sun, with a concentration 200,000 times higher than usual. The unusual occurrence supports earlier theories suggesting weak magnetic field strength and minimal turbulence in the plasma.
Scientists at the University of Birmingham warn that increasing CO2 levels could lead to a decrease in 'space sustainability' due to changes in the Earth's upper atmosphere. The research suggests that as the atmosphere cools, it contracts, reducing satellite density and potentially increasing the risk of collisions.
A Michigan State University researcher has developed a breakthrough model that sheds light on solar storms and their impact on space weather. The model, predicting particle acceleration and escape across a range of energy levels, could help scientists study cosmic rays emitted in supernova explosions.
Scientists have identified flickering loops in the solar atmosphere that signal impending solar flares. The loops' brightness variability can be measured to predict flares with up to 80% accuracy, potentially providing 2-6 hours of warning time for astronauts and technology.
A new study reveals that sun-like stars experience superflares approximately once per century, releasing massive amounts of energy in short periods. This finding suggests that the Sun's long-term behavior may be more frequent than previously thought, with implications for forecasting dangerous space weather.
Researchers at University of Arizona discovered a spike in carbon-14 dating to 664 B.C., pinpointing the last known extreme solar storm event. The study provides crucial data for scientists studying sun's activity and offers insights into massive storms' effects on Earth's atmosphere.
SwRI's novel Space Weather Solar Coronagraph (SwSCOR) will provide early detection and characterization of Earth-directed coronal mass ejections (CMEs), helping to predict geomagnetic storms and protect Earth assets. The instrument suite includes rapid data reduction software, delivering processed images to NOAA forecasters within minu...
Researchers observe tiny, brilliant features in the sun's atmosphere moving at unprecedented speeds to understand solar flare creation. The study confirms a 19-year-old theory and opens doors to a deeper understanding of space weather.
The new center aims to develop AI-driven tools for predicting solar eruptions, expand space science education programs, and build a long-term dataset of sun activity. It will also establish an education program providing research opportunities for students and promoting STEM education.
The University of Texas at Arlington has been awarded a $1.5 million grant from the National Science Foundation to train scientists in space physics and data science. The grant will also enable UTA to create a specialization in space physics for students pursuing a Bachelor of Science in physics.
Researchers at the University of Colorado Boulder have discovered a link between lightning storms on Earth and high-energy electrons in space. The team found that lightning strikes can knock these 'killer electrons' out of the inner radiation belt, which could pose a threat to satellites and astronauts.
A recent study tested the standard model of solar flares by comparing computer simulations with observational data from the McMath-Pierce telescope. The researchers found a significant delay in the paired chromospheric sources, which challenges the current energy transport mechanism by electron beam. This delay suggests that other fact...
Researchers at NJIT's Institute for Space Weather Sciences and Ying Wu College of Computing are developing an AI-powered space weather forecasting system called SolarDM. The system uses synthetic vector magnetograms to provide critical data for predicting solar eruptions, which could offer a three-day forecast horizon.
A uniquely powerful geomagnetic storm led to unprecedented changes in the upper atmosphere, including location and spread of particles, composition, and temperature. These changes may pose significant risks to satellites and GPS systems, as well as impact navigation and communication technologies.
Researchers have discovered that far-ultraviolet radiation from stellar flares on red dwarf stars can be three times more energetic than previously thought. This finding challenges existing models of exoplanet habitability and suggests that many stars may pose a risk to the potential for life on planets around them.
Researchers found that Washington DC and Milwaukee have power grids particularly vulnerable to geomagnetic storms caused by solar flares and coronal mass ejections. The study highlights the need for further monitoring and modification of these areas to prevent damage during space weather events.
Researchers have spotted the first signs of the Sun's next 11-year solar cycle, which is expected to start in about six years. The detection was made using sound waves inside the Sun and shows a faint indication of Cycle 26, similar to what happened during the previous cycles.
Researchers have discovered that the sun's magnetic field is generated about 20,000 miles below its surface, contradicting previous theories. This finding helps scientists better understand the sun's dynamic processes and could lead to more accurate forecasts of powerful solar storms.
A new study suggests that the sun's magnetic field could arise from instabilities in the outermost layers of the sun, rather than deep within. This finding may enable scientists to better forecast solar activity and space weather.
An international team of researchers, including those from the University of Geneva, detected a giant magnetar eruption coming from a neutron star with an exceptionally strong magnetic field. The discovery was made using ESA's satellite INTEGRAL and confirms that magnetars are young neutron stars.
Researchers analyzed 42 superflares using two models and concluded that hydrogen recombination is the most physically plausible explanation for high levels of energy. This model is supported by flare processes described in solar flares, which are well-studied phenomena.
Researchers from the University of Helsinki used tree ring analysis to measure radiocarbon concentration after a massive solar storm, revealing new insights into atmospheric dynamics. The study provides valuable information on how to prepare for future threats from solar storms, which could disrupt electrical and mobile networks.
The TESS24 conference will focus on the impact of space weather on various systems, including satellites, GPS, and power grids. Experts will discuss new predictions for Solar Cycle 25's peak intensity and the possibility of superflares happening every 6,000 years.
Researchers led by Bruno Arsioli have observed a non-uniform distribution of high-energy photons in the Sun's gamma-ray emissions, with polar regions emitting more radiation than expected. This finding suggests a possible link between cosmic rays and the solar magnetic field, which could inform space weather forecasts.
Researchers have cataloged nearly 1400 slow-rising flares using Chandrayaan-2 data, revealing a significant increase in the number of slow-building flares compared to previous decades. The study suggests that solar flares may exhibit different behaviors, including varying rates of rise and fall.
Researchers have discovered a multi-planet system that provides a rare glimpse into the formation of planets around a young star. The system consists of six confirmed planets and potentially a seventh, all forming under similar conditions at an age of just 700 million years.
A new relationship between the Sun's magnetic field and its sunspot cycle has been discovered, enabling scientists to predict when the peak in solar activity will occur. The analysis indicates that the maximum intensity of solar cycle 25 is imminent and likely to occur within a year.
Researchers from NJIT-CSTR have discovered an extraordinary aurora-like display occurring 40,000 km above a sunspot. The novel radio emission shares characteristics with planetary magnetospheres and potentially opens new avenues for understanding similar phenomena in distant stars with large starspots.
Researchers found distinct similarities between starquakes and earthquakes, but a difference with solar flares. The team analyzed nearly 7,000 bursts from three repeater FRB sources, comparing them to earthquake and solar flare data.
Researchers have identified a massive solar storm 14,300 years ago in ancient tree rings, which could be catastrophic for modern technological society. The study warns of the importance of understanding such storms to protect global communications and energy infrastructure.
Astronomers have discovered a surprising link between Neptune's cloud abundance and the 11-year solar cycle. The study found that two years after the solar cycle's peak, clouds on Neptune increase in number. The team believes UV radiation from the Sun may be triggering photochemical reactions that produce clouds.
Researchers suggest a massive young planet is burning up in a superheated soup of raw material swirling around it, causing the star to flare. The simulation reveals a 'disc inferno' process where the planet's atmosphere ignites, feeding the star and making it shine brighter.
A research team from USTC found that the pre-emergence magnetic rope structure undergoes a complex series of stripping, disintegration and reconstruction during the outburst. This study reveals the details of the process of three-dimensional magnetic reconnection and its role in forming coronal mass ejections.
A New Jersey Institute of Technology research team has been awarded a $4.64 million grant to continue studying the Sun's explosive activity at Big Bear Solar Observatory. The team will use the observatory's unique imaging capabilities and stable seeing conditions to investigate solar phenomenon as activity on the Sun ramps up.
Researchers used simulations to analyze the Lyman Continuum spectrum in dozens of simulated solar flares, confirming its connection to plasma temperature. The study found that analysis of this spectrum can be used for diagnosis of the solar plasma during solar storms.
A team of astronomers detected a massive superflare and prominence eruption on the star V1355 Orionis, which was capable of breaking free from the star's gravity and developing into Coronal Mass Ejections. The event released trillions of tons of material, making it one of the most massive ever observed.
A team of researchers has uncovered the source location of a 'heartbeat-like' radio signal in a C-class solar flare, more than 5,000 kilometers above the Sun's surface. The discovery sheds light on the physical processes behind energy release and dissipation in solar flares.
Researchers found small signals in the corona that can identify regions more likely to produce solar flares. The new database of Sun images makes it easier for scientists to study active regions and develop tools to predict solar flares.
A University of Queensland study analyzed tree ring data to understand cosmic radiation 'storms', known as Miyake Events. The research suggests that these events are not correlated with sunspot activity and may be a kind of astrophysical 'storm' or outburst.