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Phthalates Might Be Making Us Fat — Now Will People Start Caring About These Chemicals Found Almost Everywhere? Will The DEA Legalize Marijuana Across America If PTSD Study Shows ‘Acceptable Medical Use’? The sun released a powerful solar flare late Monday night that briefly caused a radio blackout. Sky News reports that the National Oceanic and Atmospheric Association categorized the radio blackout caused by the solar flare as an R3 on a R1-R5 scale. Britain's spy agencies like MI6 have gained popularity through the James Bond series of books and films. The sun may be an average star when compared to the menagerie of stars that exist in our galaxy, but to Earth and all life on our planet, the sun is the most important object in the Universe.
The X4.9 flare was caught through the range of SDO fliters, including this dramatic view as seen through the 131A filter. Intense coronal activity is often associated with active regions -- the active lower corona is pictured here, left.
In the case of AR1990, a large sunspot can be seen at the base of the coronal loops that erupted to generate the powerful flare. The HMI monitors magnetic activity across the disk of the sun and can also generate a picture on the direction of the magnetic field polarity. Approximately an hour after the flare, the CME grew and continued to barrel into interplanetary space. On Saturday, the sun erupted with an X-class solar flare, blasting Earth with powerful electromagnetic radiation. Although we are well protected from the worst effects of radiation from solar flares, ionizing X-ray and extreme ultraviolet radiation can have a disruptive impact on unshielded satellite electronics and can even give unprotected astronauts an increased radiation dose. The flare also generated its own radio signal; as the flarea€™s shock wave blasted through the suna€™s corona (its atmosphere), an intense radio signal was generated and was recorded as powerful shortwave radio static. The sun is currently experiencing the wane of solar maximum, the peak of its approximate 11-year solar cycle.
In its just-concluded 2016 session, the Nebraska Legislature acted on subjects ranging from roads to prisons and property taxes. GMOs or Genetically Modified Organisms are the subject of great debate in grocery stores, at the table and even in Congress. NET News and NET Learning Services offer a series of radio news reports, a TV panel discussion, and more. NET and Harvest Public Media explore what it will take to keep pace with the increasing global demand for meat. NET News examines whether the homecomings soldiers receive when they return from war have a lasting impact.
NET News producer Mike Tobias examines the deadliest natural disaster in Nebraska history, the 1913 Easter tornadoes.


Stories of those serving at STRATCOM and Offutt Air Force base as terrorists attacked the World Trade Center and Pentagon.
New, quantifiable measurements of space radiation taken by scientists at University of New Hampshire will play a crucial role in the development of future techniques to shield astronauts and sensitive equipment from cosmic radiation, according to the researchers behind the study.
The Sun fired off an X3.3-grade solar flare Tuesday evening, the most powerful flare of the year.
The space weather center said the Sun displayed a high level of activity leading up to the X-class flare, which appeared to be the culmination of the solar activity.
There are several classes of solar flares, but M-class and X-class are most noteworthy because they can cause geomagnetic storms on Earth.
The numbers following the flare's letter class provide more information about the flare's strength.
Video and still images of the eruption show it bursting from the surface of the sun and out into space, creating a vivid flash. The first moments of the solar flare are seen in a series of images showing the eruption at different wavelengths of light. Though this solar flare did not erupt in Earth's direction, it was powerful enough to produce a radio blackout for a short time Monday night, the National Oceanic and Atmospheric Administration's Space Weather Prediction Center reported. REALITY: Solar flares can release electromagnetic radiation that's strong enough to disrupt electric power grids, satellites, GPS, and radio communications.
Pictured: Coronal mass ejection as viewed by the Solar Dynamics Observatory on June 7, 2011. The same sunspot has produced three solar flares in the last two days and astronomers believe that it will produce more flares this week. X class solar flares indicate powerful solar storms that can disrupt communication on earth. However, regardless of its importance and close proximity, our nearest star holds many mysteries that continue to fox solar physicists after decades of modern studies with cutting-edge observatories. Space weather forecasters don't expect that this CME will interact with the Earth's atmosphere as it is not Earth-directed. Although we couldna€™t directly feel its effects on the ground, the impact of this event was measured as a dramatic radio blackout for several minutes, highlighting the fact that the sun isna€™t quite done with solar maximum yet. Our atmosphere is a thick shield that protects our biology from the suna€™s worst solar flares, but thata€™s not to say that they cana€™t impact our lives. The aptly-named ionosphere is used for communications where radio waves are bounced around the globe. Solar Cycle 24 has been a a€?below averagea€? cycle exhibiting lower levels of magnetic activity a€” but as Saturdaya€™s flare proves, ita€™s still capable of generating some impressive explosive displays. Experts do not anticipate any adverse effects on Earth from the powerful solar flare, but it did cause a wide-area blackout of high frequency signals for about an hour, according to the National Weather Service Space Weather Prediction Center. Magnetic crochets occur while the flare is in progress, as opposed to other observable space weather effects like those from coronal mass ejections (CMEs), which are detected on Earth days after the event.


But in autumn there was a surge in solar activity, most notably in the last week of October,when the Sun unleashed 28 solar flares, including three X-class flares. M-class flares are the weakest type of solar flare that can cause some space weather effects near Earth, while X-class flares are the most powerful class of solar flare. A ginormous sunspot is acting up again, and this time the region has produced the largest solar flare recorded so far in 2014. As Universe Today noted, solar activity has picked up recently, most likely because the sun is in the midst of its period of peak activity for the current solar cycle.
M class flares can create spectacular Auroras and C class solar flares have little to no effect on earth. One of the biggest mysteries surrounding the sun is the underlying mechanisms that drive solar flares and coronal mass ejections (CMEs).
25) -- pictured here on the far left -- the active region (AR) 1990 was crackling with activity. This observation was captured by SOHO's LASCO C3 instrument -- an occulting disk covers the sun to block out any glaring effect. A solar flare occurs when highly-stressed magnetic field lines are forced together over regions of intense magnetic activity, descriptively known as a€?active regions.a€? These regions are often associated with sunspot clusters a€” this is why astronomers keep count of sunspots in an effort to record solar activity. This extensive ionization event caused the propagation of radio waves to wildly fluctuate, eventually blocking them all together. Prior to Tuesday's powerful flare, the strongest flare this year, an X3.2, happened in May during a notably hyperactive week of solar activity, which saw our star unfurl three major flares in one day. Monday evening (EST), the sun reminded us that it hasn't quite finished with the current solar maximum (of solar cycle 24), unleashing a powerful X4.9 solar flare -- the biggest of 2014. Then, as magnetic field lines from the sun's interior forced together and through the solar photosphere, large-scale reconnection events occurred. The blast was so powerful that the impulsive electrical currents generated in the ionosphere caused vast waves to ripple through our planeta€™s magnetic field.
The space agency categorized the solar flare as X4.9-class, meaning it was four times more intense than an X1-class flare -- and X-class flares are the most powerful. An armada of space telescopes witnessed the event, including NASA's Solar Dynamics Observatory that can spy the sun's temper tantrums in astounding high definition.
EST (00:44 UT) -- second frame from the right -- a kinked coronal loop can be seen rising into the corona.



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