According to the report made by the NASA, the dark spots on the Sun, are the gases of the Sun. And they explain: “The gases of the Sun are in constant movement, which entangles, stretches and distorts the magnetic fields. This motion creates a lot of activity on the Sun's surface, called solar activity," NASA said. Despite the explanation, there was a lot of curiosity and concern around it. Know more.
Dark spot on the Sun reverberates on the internet
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Images of the sun with a giant dark spot are going viral on the internet, after the images were published by Girl In Space on Twitter.
The publication's caption read: "One of the largest sunspots in years, AR3190 (4 times wider than Earth), is crossing the solar disk and you can see it with the naked eye. Be sure to wear safe sunglasses to protect your eyes.”
Girl In Space added, “The stain is about to burst. #AR3190 has an unstable 'beta-gamma-delta' magnetic field that harbors energy for X-class solar flares. Any flares will be geoeffective because the sunspot is almost directly facing Earth.”
These sunspots are temporary, they appear in the Sun's photosphere and have temperatures between 2000-4000 K, while material outside the sunspot has temperatures above 5000 K.
The drop in temperature in these regions is caused by the presence of intense magnetic fields, which prevent the convective process of solar photosphere, decreasing the flow of energy from the interior of the Sun and, consequently, decreasing the surface temperature of that region.
The spot is dark due to the fact that the surroundings are so bright that the local contrast makes us perceive the spot as a black spot. Sunspots have lighter regions at the edges, which is due to the weakening of the magnetic field.
Do spots on the sun pose any danger?
This sunspot is not very dangerous, although it can explode at any moment. We are talking about a region of the Sun that has a large concentration of magnetic field. That matter is trapped in the form of plasma, a very hot and ionized gas.
These spots can cause a class X explosion, an explosion that groups together very intense eruptions. Consequently, radio waves, X-rays and gamma rays can be released into space, possibly reaching Earth.
The consequences to the planet after being hit by these rays are of two types: the formation of beautiful aurora borealis and the interruption of communication technologies, such as radios and satellites.
