The Sun on the Earth is awakening and spectacular auroras are due tomorrow, perhaps the most colorful and vibrant in recent years: after a long sleep it seems that the activity of our star is restarted. On its surface solar flares were observed with plasma (electrically charged particles that is) thrown into interplanetary space. This cloud of particles is making route on Earth and when it arrives, according to experts, between tonight and tomorrow, it could lead to auroras of rare beauty. To see them, according to experts, there is no need to go to the poles: these extraordinary flashes of sky, their intensity could also be seen from North America and Northern Europe. The solar activity is cyclical, it lasts about eleven years, the last solar maximum occurred in 2001, the first signs of an eruption, scientists say, that the sun is waking up and going to another solar maximum. In these photos, the latest images taken at various wavelengths of NASA solar observatory
Source: Repubblica.it
Source: Repubblica.it
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