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Jeddah astronomer: the emergence of an active sun spot
Follow-ups to the Gulf 365 – Mohammed Daoud – Jeddah
On the morning of Saturday, August 21, 2021, it was observed that an active spot appeared over the northeastern edge of the Sun’s disk, and in conjunction with that, it launched a series of Class C flares, the strongest of which caused a low-frequency radio outage over the Atlantic Ocean.
The spot is a temporary phenomenon:
The head of the Astronomical Society in Jeddah, Eng. Majed Abu Zahira, explained that the sunspot is a temporary phenomenon on the surface of the sun, which is called the photosphere or the ball of light, as the spot appears dark compared to the areas around it due to its low temperature according to the standards of the sun.
Magnetic field flow:
He pointed out that this spot is formed when a concentration of magnetic field flow occurs, which suppresses (convection) and the result is a decrease in the surface temperature in a particular spot compared to its surroundings.
Two active sun zones:
Abu Zahira concluded by saying: There is an active region in the southern hemisphere of the sun, so by the beginning of the week there will be two active regions facing the Earth.
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