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A solar flare is a relatively intense, localized emission of electromagnetic radiation in the Sun's atmosphere. Flares occur in active regions and are often, but not always, accompanied by coronal mass ejections, solar particle events, and other eruptive solar phenomena. The occurrence of solar flares varies with the 11-year solar cycle.
Animation of a Moreton wave which occurred on December 6, 2006 Solar Tsunami. A Moreton wave, Solar Tsunami, or Moreton-Ramsey wave is the chromospheric signature of a large-scale solar corona shock wave. Described as a kind of solar "tsunami", [1] they are generated by solar flares.
Solar activity: NASA's Solar Dynamics Observatory captured this image of the X1.2 class solar flare on May 14, 2013. The image shows light with a wavelength of 304 angstroms. Solar phenomena are natural phenomena which occur within the atmosphere of the Sun. They take many forms, including solar wind, radio wave flux, solar flares, coronal mass ...
Our life-giving death star is experiencing its "solar maximum," which sounds like the name of a Christian rock band and is defined as the peak activity period within the sun's 11-year solar cycle.
By MORGAN WHITAKER New video released by NASA Thursday captures the spectacular instant the sun fired off a solar flare in Earth's direction. The video shows the coronal mass ejection that created ...
The good news is that Earth should be out of the line of fire this time because the flare erupted on a part of the sun moving away from Earth. NASA's Solar Dynamics Observatory captured the bright ...
Post-eruptive loops in the wake of a solar flare, image taken by the TRACE satellite (photo by NASA). In solar physics, a solar particle event (SPE), also known as a solar energetic particle event or solar radiation storm, [a] [1] is a solar phenomenon which occurs when particles emitted by the Sun, mostly protons, become accelerated either in the Sun's atmosphere during a solar flare or in ...
Solar activity changes during that cycle, and it's now near its most active, called the solar maximum. During such times, geomagnetic storms of the type that arrived Sunday can hit Earth a few times a year, Lash said. During solar minimum, a few years may pass between storms. In December, the biggest solar flare in years disrupted radio ...