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O aumento dasexplosões solarestêm se tornado motivo de preocupação entre os profissionais do campo científico. As tempestades geomagnéticas que costumam ocorrer provocam perturbações nas comunicações, na transmissão de energia elétrica, navegação e as operações de rádio e satélite.
Pesquisadores do Centro de Radioastronomia e Astrofísica Mackenzie, da [...]
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A recent study has uncovered discrepancies between simulated predictions and actual observations of solar flare dynamics, notably in the timing of chromospheric emissions, suggesting a need for revising the standard solar flare model.
This revelation calls into question the current understanding of energy transport during these celestial events, hinting at potential alternative mechanisms such as magnetosonic waves or conductive transport.
Solar Flares and the Standard Model
Solar [...]
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Solar flares are extremely intense events that occur in the sun’s atmosphere, lasting anywhere from a few minutes to several hours. According to the standard flare model, the energy that triggers these explosions is transported by accelerated electrons that hurtle from the magnetic reconnection region in the corona to the chromosphere.
As the electrons collide with the chromospheric plasma, they deposit their energy in the plasma, which is heated and ionized as a result. They also [...]
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(Press-News.org) Solar flares are extremely intense events that occur in the Sun’s atmosphere, lasting anywhere from a few minutes to several hours. According to the standard flare model, the energy that triggers these explosions is transported by accelerated electrons that hurtle from the magnetic reconnection region in the corona to the chromosphere. As the electrons collide with the chromospheric plasma, they deposit their energy in the plasma, which is heated and ionized as a result. [...]
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Solar flares are extremely intense events that occur in the Sun's atmosphere, lasting anywhere from a few minutes to several hours. According to the standard flare model, the energy that triggers these explosions is transported by accelerated electrons that hurtle from the magnetic reconnection region in the corona to the chromosphere. As the electrons collide with the chromospheric plasma, they deposit their energy in the plasma, which is heated and ionized as a result. They also cause [...]
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Solar flares are extremely intense events that occur in the sun's atmosphere, lasting anywhere from a few minutes to several hours. According to the standard flare model, the energy that triggers these explosions is transported by accelerated electrons that hurtle from the magnetic reconnection region in the corona to the chromosphere.
As the electrons collide with the chromospheric plasma, they deposit their energy in the plasma, which is heated and ionized as a result. They also cause [...]
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Solar flares are extremely intense events that occur in the sun's atmosphere, lasting anywhere from a few minutes to several hours. According to the standard flare model, the energy that triggers these explosions is transported by accelerated electrons that hurtle from the magnetic reconnection region in the corona to the chromosphere.
Source: phys.org
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(Press-News.org) Solar flares are extremely intense events that occur in the Sun’s atmosphere, lasting anywhere from a few minutes to several hours. According to the standard flare model, the energy that triggers these explosions is transported by accelerated electrons that hurtle from the magnetic reconnection region in the corona to the chromosphere. As the electrons collide with the chromospheric plasma, they deposit their energy in the plasma, which is heated and ionized as a result. [...]
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Временная эволюция вспышки «спина-веера», наблюдавшейся на 171 Å телескопом SDO/AIA 24 сентября 2014 г. (a) Начальная фаза вспышки «спина-веера» (рис.1), зарегистрированная в 17:48:11 ut. (b) Основная вспышка (красный, больший квадрат) и удаленный источник яркости (синий, [...]
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Solar flares are extremely intense events that occur in the sun's atmosphere, lasting anywhere from a few minutes to several hours. According to the standard flare model, the energy that triggers these explosions is transported by accelerated electrons that hurtle from the magnetic reconnection region in the corona to the chromosphere.
Temporal evolution of the spine-fan flare observed at 171 Å by the SDO/AIA on 2014 September 24. (a) The initial phase of the spine-fan flare (Fig. [...]
