Geomagnetic storm explained

Geomagnetic storm explained

NASA’s Solar Dynamics Observatory recently captured an image of the sun causing a reaction. Many who saw the photo on Twitter believe that the sun has eyes, nose and smiles.

The photo spread on social media, especially on the last day of October. Many people think that it looks like a pumpkin, which fits perfectly with what it is today, that is, Halloween.

But the photo is not described as cute by experts.

It shows many large dark areas that can produce beautiful auroras, but can also cause problems here on Earth, according to reports. Washington Post.

magic minutes The eyes of the whole world were on the moon, which was sliding from the right and completely covering the sun – the outer layer of the sun cast a silvery light across the sky and presented a wonderful spectacle in the sky. Video: NTB Scanpix / DBTV
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– Can create a geomagnetic storm

The three spots that make up the “face” are known as coronal holes. The sun’s corona is the outermost layer of the sun’s atmosphere, and can only be seen with the naked eye during a total solar eclipse.

However, it can be monitored using images taken from X-rays and UV rays.

The dark areas that appear on the eyes and nose are called corona holes. It usually takes two days for particles from coronal holes to collide with Earth, and we see the particles as aurora borealis, says Solar Researcher Coordination of Space Research at the Norwegian Space Center, Paul Bricke to Dagbladet.

– If coronal holes are particularly strong, they can cause a geomagnetic storm, Breck continues.

Expert: Pål Brekke. Photo: Norwegian Space Center
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Changes in the Earth’s magnetic field

Coronal holes are regions where the sun’s magnetic field extends directly into space and here solar wind particles can escape from the sun more easily and more quickly.

When particles, which carry an electrical charge, strike our atmosphere in small doses, colorful auroras can form when they collide with atoms and molecules in the atmosphere.

In those cases where coronal holes or solar storms release more particles toward Earth, geomagnetic storms can form.

Sudden changes in the Earth’s magnetic field. It can cause problems, interfere with radio, television and other communication channels.

– This can damage electrical networks and cause blackouts, Bricky continues.

Suddenly you have to send a notification

Brick says geomagnetic storms can also cause problems for systems that use the Earth’s magnetic field.

When we drill for oil under the sea, we use the Earth’s magnetic field to navigate.

– For us on Earth, this is not dangerous, but for some it is very important to know. If the GPS becomes unstable, that doesn’t mean we’re driving out of the way, but it can lead to problems if someone is on a rescue mission at sea or in the woods, Brik explains.

He says, among other things, that the Geophysical Observatory at the University of Tromsø measures and sends alerts to oil companies in the event of geomagnetic storms.

– Then they are informed in time and can stop or change drilling.

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Dalila Awolowo

Dalila Awolowo

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