WHAT IS THE GEOMAGNETIC STORM THAT WILL HIT EARTH TODAY?

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Researchers discovered that the Sun has launched new solar outbursts towards Earth a week after the planet was slammed by a similar moderate geomagnetic storm. The impact, however, is not believed to be dangerous. "It's unlikely that the impact will be life-threatening. Geomagnetic storms of moderate intensity are expected "The India Center of Excellence in Space Sciences sent out a tweet.

On February 6, the Indian Institute of Science Education and Research's Center of Excellence in Space Sciences (CESS) tweeted that a filament eruption was seen on the Sun south of disc centre. The Large Angle and Spectrometric Coronagraph (LASCO) on the Solar and Heliospheric Observatory (SOHO) mission captured the eruption, according to CESS.

SOHO, NASA's and the European Space Agency's joint mission to study the Sun started in 1995, routinely detects coronal mass ejections (CMEs). CMEs to Earth can reach Earth in 15-18 hours if they are rapid enough, according to the National Oceanic and Atmospheric Administration's Space Weather Prediction Center.

What exactly are CMEs?

CMEs (coronal mass ejections) are enormous ejections of plasma and magnetic fields from the Sun's corona.

As they travel away from the Sun, they are capable of ejecting billions of tonnes of coronal debris.

They travel at speeds ranging from less than 250 kilometres per second to approximately 3000 kilometres per second.

CMEs aimed at Earth can reach us in 15 to 18 hours. The arrival of slower CMEs can take several days.

A geomagnetic storm occurs when a coronal mass ejection (CME) collides with the Earth.

What exactly are geomagnetic storms?

Major perturbations of the Earth's magnetosphere are known as geomagnetic storms.

A huge flow of energy from the solar wind into the space environment surrounding the Earth is the cause of this.

Solar flares, which are intense bursts of radiation, can interrupt high-frequency radio transmissions and low-frequency navigation.

They also cause significant changes in Earth's magnetosphere's currents, plasma, and fields.

A geomagnetic storm of this magnitude will most likely have a small impact on satellite operations.

It can cause modest power grid oscillations and auroras to be observed at high latitudes.

Sustained periods of high-speed solar wind are the most effective circumstances for causing geomagnetic storms.

Despite the current typical space environment, the CESS predicts M/X class flares in the following days.

The timetables

From February 9-10, Earth will be struck by a moderate geomagnetic storm with a speed of 451-615 kilometres per second.

The geomagnetic storm is expected to occur between 11.18 a.m. IST on February 9 and 3.23 p.m. IST on February 10.

 

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