ОКО ПЛАНЕТЫ > Новости погоды и стихий > Огромное солнечное пятно грозит спровоцировать солнечные вспышки
Огромное солнечное пятно грозит спровоцировать солнечные вспышки10-05-2012, 07:46. Разместил: VP |
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SOLAR ACTIVITY INTENSIFIES: Huge sunspot AR1476 is crackling with M-class solar flares and appears to be on the verge of producing something even stronger. The sunspot's 'beta-gamma-delta' magnetic field harbors energy for X-class flares, the most powerful kind. Earth is entering the line of fire as the sunspot rotates across the face of the sun. Solar flare alerts: text, phone.
Earlier today, amateur astronomer Thomas Ashcraft of New Mexico detected strong shortwave radio bursts coming from the sunspot. Click to hear the "solar static" that roared out of his loudspeaker:
"The strongest burst so far occured around 1631 UT on May 9th," reports Ashcraft. "I am observing at 28 MHz and 21.1 MHz. As I send this note I am hearing more bursting, indicating powerful magnetic dynamism within active region 1476."
Solar radio bursts are caused by plasma instabilities that ripple through the sun's atmosphere in the aftermath of powerful flares. With AR1476 poised for more eruptions, this 'radio activity' is likely to continue for days. Stay tuned.
SUNSPOT SUNSET: Sunspot AR1476 is so large, people are noticing it without the aide of a solar telescope. The behemoth appears at sunrise and sunset when the light of the low-hanging sun is occasionally dimmed to human visibility. Alberto Lao sends this picture from Manila, the Phillippines:
"The sky was hazy and a bit cloudy today, [perfect for sunspot photography]," says Lao. "Hoping to get a glimpse of AR 1476, I waited until a few minutes before sunset to try to image the sun. My patience was rewarded."
The sunspot looks a lot like Hawaii, but it is much bigger than any island on Earth. From end to end the sprawling active region stretches ~160,000 km, or a dozen times wider than our entire planet. If you have a sunspot telescope, take a look. The view is magnificent.
Caution: Even when the sun is dimmed by clouds and haze, looking into the glare can damage your eyes. Looking through unfiltered optics is even worse. If you chose to photograph the low sun with a digital camera, please use the camera's LCD screen for pointing. Do not peer through the optical viewfinder.
Daily Sun: 09 May 12
Sunspot 1476 poses a threat for X-class solar flares. Also, new sunspots are emerging at the circled location, Credit: SDO/HMI Вспышки на Солнце
http://tesis.lebedev.ru/sun_flares.html
Магнитные бури за последние три дня
«НЛО на заправке» опять у Солнца9 Май 2012 20:56
4 мая 2012 года орбитальный телескоп НАСА снова, как и 11 марта, зафиксировал возле поверхности Солнца странный объект темного цвета, напоминающий одновременно и небольшую планету, и космический корабль. Интересной особенностью НЛО, зафиксированного орбитальным телескопом НАСА, являются своеобразные нити, которыми он связан с Солнцем.
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Вернуться назад |
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Гигантская группа пятен сформировалась на поверхности Солнца, подсказывая, что скоро там разразятся мощные бури. 
