Articles tagged with Solar Flares
Researchers have imaged a shock and its time evolution during a long-lasting solar flare, demonstrating its role in accelerating particles. The study used the Karl G. Jansky Very Large Array to capture over 40,000 individual images per second, revealing the dynamic evolution of the termination shock.
Astronomers have confirmed a proposed explanation for how solar flares accelerate charged particles to nearly the speed of light using the upgraded VLA radio telescope. The new observations support the idea that a termination shock is responsible for accelerating electrons, with results closely matching computer simulations.
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.
A new technique allows for faster monitoring of magnetic field changes before solar flares, providing advance warning of potentially devastating space storms. The method, developed by Queen's University Belfast, enables scientists to examine the precursors responsible for destructive space weather.
NASA's Solar Dynamics Observatory (SDO) captured an image of a mid-level solar flare, peaking at M5.5 on Oct. 1, 2015. The flare emitted powerful bursts of radiation that can disturb the atmosphere in the layer where GPS and communications signals travel.
NASA's Solar Dynamics Observatory captured an image of a mid-class solar flare on September 28, 2015, which peaked at M7.6 intensity. The event is expected to disturb the atmosphere in layers where GPS and communications signals travel.
A mid-level solar flare, peaking at M5.6, occurred on Aug 24, 2015. The flare emitted powerful bursts of radiation, potentially affecting Earth's atmosphere and disrupting GPS and communications signals.
A mid-level solar flare was observed by NASA's SDO on June 25, 2015, reaching a magnitude of M7.9. The event has the potential to disturb the atmosphere, affecting GPS and communications signals.
A mid-level solar flare, peaking at M6.6, was emitted by the sun on June 22, 2015. This event may disturb the atmosphere and affect GPS and communications signals.
Scientists have discovered a nearly-annual cycle of solar activity that can drive space weather events, including solar storms at Earth. This discovery could improve forecasts of space weather by understanding the interaction between magnetic field bands on the sun.
A significant solar flare was emitted by the sun on March 11, 2015, peaking at 12:22 p.m. EDT. The X2.2-class flare may cause disturbances in the atmosphere where GPS and communications signals travel.
On March 9, 2015, NASA's Solar Dynamics Observatory (SDO) captured images of two mid-level solar flares, classified as M5.8 and M5.1, from the same active region. The flares occurred after the region rotated over the left side of the sun on March 7, marking the second and third flares in this cycle.
A mid-level solar flare occurred on March 7, 2015, peaking at 5:22 pm EST, as captured by NASA's Solar Dynamics Observatory. The event was classified as an M9.2-class flare, which is twice as intense as the next largest category, M8.
A mid-level M5.6-class solar flare occurred on January 12, 2015, emitting powerful bursts of radiation. The flare's intense energy affected Earth's atmosphere in the layer where GPS and communications signals travel.
A significant solar flare, peaking at X1.8-class, occurred on Dec 19, 2014, as observed by NASA's Solar Dynamics Observatory (SDO). The event may disturb the atmosphere in the layer where GPS and communications signals travel, potentially affecting Earth.
A mid-level flare with a magnitude of M6.9-class occurred on December 18, 2014, emitting powerful bursts of radiation. The Solar Dynamics Observatory captured the event, which may affect Earth's atmosphere and GPS/communications signals.
A mid-level solar flare occurred on Dec. 16, 2014, as observed by NASA's Solar Dynamics Observatory, emitting powerful bursts of radiation. The flare's intensity was classified as M8.7-class, causing disturbance in the atmosphere layer where GPS and communications signals travel.
A mid-level solar flare, peaking at M6.1-class, was emitted by the sun on Dec. 4, 2014, potentially disturbing Earth's atmosphere. The Solar Dynamics Observatory captured the event, which is classified as a less intense flare compared to X-class flares.
A mid-level solar flare was detected by NASA's Solar Dynamics Observatory on Nov 16, 2014, emerging from an active region that previously rotated across the front of the sun in October. The M5.7-class flare is a tenth the size of X-class flares and may disturb GPS and communications signals.
A mid-level solar flare was observed by NASA's Solar Dynamics Observatory (SDO) on November 3, 2014, peaking at an M6.5 classification. This event is significant because it can disturb the atmosphere in layers where GPS and communications signals travel.
The largest sunspot of the solar cycle, AR 12192, was tracked by NASA's Solar Dynamics Observatory. The active region produced six X-class flares and four strong M-class flares, with the largest flare reaching X3.1 intensity. Despite the intense activity, no coronal mass ejections were observed.
A large active region on the sun erupted with an X-class flare on October 27, 2014, its fourth since October 24. The flare was part of a week-long series of substantial flares beginning on October 19.
New observations from the Interface Region Imaging Spectrograph (IRIS) suggest that miniature solar flares called 'nanoflares' could be partly responsible for heating the Sun's million-degree corona. High-energy electrons generated by these nanoflares may deposit energy in the plasma, leading to coronal heating.
Researchers have developed a model that uses self-organised criticality and fluid dynamics to predict the occurrence of solar flares. The model has shown to be consistent with observations in a quantitative sense, enabling scientists to better understand and prepare for these powerful events.
The Interface Region Imaging Spectrograph (IRIS) mission has captured a unique perspective on an X-class solar flare, highlighting the transition region and corona. The observations provide insight into the dynamics of these powerful flares, which can have significant effects on Earth's magnetic field and radiation environment.
A powerful solar flare was detected by NASA's Solar Dynamics Observatory on Sept. 10, 2014, peaking at X1.6 intensity. The flare disturbed the atmosphere in the layer where GPS and communications signals travel.
Dr. Petrus Martens is developing a system to predict solar cycles, aiming to forecast events such as solar flares and coronal mass ejections up to a decade in advance. This could help protect the power grid and inform satellite replacement decisions.
Scientists warn of imminent 'solar super-storms' that could cripple critical services like power supplies, transport, and medicine. A predicted Carrington-level event every 150 years poses a significant threat to human health and infrastructure.
Researchers used MESSENGER data to detect solar neutrons created in solar flares, providing a direct link to the flare process. The combined use of NASA mission data from MESSENGER and STEREO spacecraft offers new information about particle acceleration in solar flares.
A mid-level solar flare peaked at 12:20 p.m. EDT on July 8, 2014, and was captured by NASA's Solar Dynamics Observatory. The event had an M6.5-class rating and may have affected Earth's atmosphere, potentially disturbing GPS and communications signals.
The sun experienced three X-class flares in two days, with the third flare peaking at 5:06 a.m. EDT on June 11, 2014. The solar activity was captured by NASA's Solar Dynamics Observatory and originated from an active region on the sun.
A powerful solar flare with a peak intensity of an X2.2 classification was observed by NASA's Solar Dynamics Observatory on June 10, 2014. The flare caused disturbances in the atmosphere layer affecting GPS and communications signals.
Researchers investigated two successive three-ribbon solar flares using high-resolution data, revealing a 'fish-bone-like' morphology and surge-like flows. The study suggests magnetic reconnection along the coronal null line is involved in producing the flares and associated coronal mass ejections.
NASA's Solar Dynamics Observatory captured a mid-level solar flare on May 8, 2014. The M5.2-class flare is considered weaker than intense X-class flares, but can still disturb the atmosphere and impact GPS and communications signals.
A mid-level solar flare, peaking at M7-class, was emitted by the sun on April 18, 2014. The radiation burst did not affect humans on Earth but may disturb communications signals and GPS.
On April 2, 2014, NASA captured imagery of an M6.5 solar flare, which is ten times less powerful than X-class flares. The event may impact Earth's atmosphere and disrupt GPS signals.
A significant solar flare was captured by NASA's Solar Dynamics Observatory on March 29, 2014, peaking at an X1.1-class intensity. The event disturbed the atmosphere in layers where GPS and communications signals travel.
A mid-level solar flare, classified as an M9.3 flare, was captured by NASA's SDO on March 12, 2014. The flare was emitted by an active region on the sun's surface and may have disturbed Earth's atmosphere and affected GPS signals.
A giant sunspot has reappeared over the sun's horizon, marking its third trip around the sun in approximately 27 days. This region has produced two X-class solar flares and numerous mid-level flares during its previous trips.
A powerful solar flare peaked at X4.9-class on Feb. 24, 2014, as observed by NASA's Solar Dynamics Observatory (SDO). The flare emitted giant flashes of light and caused disturbing effects in the layer where GPS and communications signals travel.
On January 28, 2014, NASA's Interface Region Imaging Spectrograph (IRIS) witnessed a strong solar flare, emitting x-rays and light into space. The IRIS mission offers unprecedented resolution to study the sun's lower atmosphere, providing valuable insights into solar flares.
A mid-level solar flare was emitted by the sun on February 3, 2014, reaching its peak at midnight EST. The NASA's Solar Dynamics Observatory captured images of the event.
The Space Environment In-Situ Suite (SEISS) instrument on GOES-R will monitor radiation hazards to astronauts and satellites. SEISS data will improve energetic particle forecasts and enhance warning systems for space weather events.
A significant X-class solar flare occurred on Nov. 19, 2013, peaking at 5:26 a.m. EST, causing disturbances in the atmosphere where GPS and communications signals travel. The flare was classified as an X1.0 class, indicating its intensity.
Two large sunspots, AR1890 and AR1897, are active on the sun, with AR1890 producing significant flares and AR1897 nearing its appearance on Earth-side of the sun. The sun's 11-year activity cycle is increasing towards solar maximum conditions, leading to an uptick in flares.
A significant solar flare peaked at 12:14 a.m. EST on Nov. 10, 2013, emitting harmful radiation that disturbed the atmosphere and impacted GPS signals. This X1.1 class flare is part of an active period in the sun's 11-year activity cycle, which has seen several flares since October 23, 2013.
The sun recently emitted a powerful X1.1 flare, disturbing the layer where GPS and communications signals travel. Increased flares are common during the sun's peak activity cycle, which is currently ramping up toward solar maximum conditions.
A significant solar flare peaked at X3.3 on Nov. 5, 2013, affecting GPS and communications signals. The event is part of the sun's 11-year activity cycle ramping up towards solar maximum conditions.
The sun emitted its fourth X-class flare since October 23, 2013, peaking at 5:54 p.m. on October 29, 2013. The X2.3 class flare may disrupt radio signals for hours due to its intense radiation.
The sun continues to produce mid-level and significant solar flares, including an X1.0 flare on Oct. 27 and an M5.1 flare on Oct. 28, potentially impacting Earth's atmosphere and electronic systems. The recent activity is part of the sun's normal 11-year activity cycle.
A mid-level solar flare, classified as an M9.4 event, was observed by NASA's Solar Dynamics Observatory (SDO) on October 23, 2013. This flare had a significant impact on Earth's atmosphere, causing disruptions to radio signals and potentially affecting GPS communications.
Scientists have detected relativistic antiparticles, specifically positrons, produced in nuclear interactions of accelerated ions in solar flares. This remote detection using microwave and magnetic-field data has significant implications for understanding the basic structure of matter and high-energy processes.
A team of interdisciplinary researchers from Johns Hopkins University has found that turbulence is the key to explaining magnetic field misbehavior in solar flares. The study used complex computer modeling to mimic what happens to magnetic fields when they encounter turbulence within a solar flare, revealing why the usual rule of physi...
A mid-level solar flare (M7) was observed by NASA's SDO on May 22, 2013, causing brief radio blackouts at the poles and disrupting GPS signals. The sun is in its solar maximum phase, leading to an increase in flares and coronal mass ejections.
A strong X1.2 class solar flare was detected on May 14, 2013, with a non-Earth-directed CME caused by the flare. The CME is traveling at speeds of up to 745 miles per second and may impact spacecraft in its path.
The sun emitted a third significant solar flare, exceeding the strength of earlier X-class flares, with an associated coronal mass ejection (CME) traveling at approximately 1,400 miles per second
The May 12, 2013 solar flare was classified as an X1.7, making it the first X-class flare of 2013 and part of the sun's normal 11-year activity cycle. The flare was associated with a coronal mass ejection (CME) that sent solar material into space, but was not Earth-directed.
A mid-level solar flare with an M5.7-class rating was detected by NASA on May 3, 2013, affecting GPS and communication signals. The flare caused a temporary disruption to radio signals before subsiding.
A mid-level solar flare, classified as an M6.5 flare, was detected by NASA's Solar Dynamics Observatory on April 11, 2013, producing a radio blackout. The flare disrupted radio signals for hours and is the strongest seen in 2013 so far.
A powerful M6.5 solar flare was detected by NASA on April 11, 2013, which also triggered an Earth-directed coronal mass ejection (CME). The CME caused a geomagnetic storm, potentially affecting electronic systems in satellites and on the ground.