Powerful solar storm hits Earth, could disrupt communication and power grids
Washington DC: A powerful solar storm, the most potent in over two decades, has struck Earth, triggering stunning celestial displays from Tasmania to Britain and raising concerns about potential disruptions to satellites and power grids as it persists into the weekend.
The event, characterised by several coronal mass ejections (CMEs), began shortly after 1600 GMT, according to the National Oceanic and Atmospheric Administration (NOAA)'s Space Weather Prediction Center.
Upgraded to an "extreme" geomagnetic storm, this marks the first such event since the "Halloween Storms" of October 2003, which caused blackouts in Sweden and damaged power infrastructure in South Africa. Additional CMEs are anticipated to impact the planet in the days ahead.
Social media platforms buzzed with users sharing images of auroras observed in northern Europe and Australasia.
"We've just woken the kids to go watch the Northern Lights in the back garden! Clearly visible with the naked eye," shared Iain Mansfield, a think tanker in Hertford, Britain.
Photographer Sean O' Riordan captured the phenomenon in Tasmania, posting, "Absolutely biblical skies in Tasmania at 4 am this morning. I'm leaving today and knew I could not pass up this opportunity."
Authorities have alerted satellite operators, airlines, and the power grid to take precautionary measures against potential disruptions due to fluctuations in Earth's magnetic field.
Unlike solar flares, which travel at the speed of light, CMEs move at a slower pace, averaging 800 kilometres (500 miles) per second. These eruptions originated from a massive sunspot cluster approximately 17 times wider than Earth, coinciding with the Sun's nearing peak activity within its 11-year cycle.
Professor Mathew Owens, specialising in space physics at the University of Reading, said that while the effects will primarily impact the planet's northern and southern latitudes, the extent of the impact will hinge on the storm's final intensity.
"Go outside tonight and look, would be my advice because if you see the aurora, it's quite a spectacular thing," Owens added, recommending the use of eclipse glasses for daytime observation of the sunspot cluster.
In the United States, areas such as Northern California and Alabama may witness the effects, according to officials.
NOAA's Brent Gordon encouraged the public to attempt capturing images of the night sky with phone cameras, even if auroras are not visible to the naked eye.
Concerns extend beyond disruptions to communication and power infrastructure. Fluctuating magnetic fields can induce currents in long wires, including power lines, potentially causing blackouts. Moreover, spacecraft are at risk of radiation exposure, though Earth's atmosphere provides protection. Additionally, biological compasses in species like pigeons could be affected.
The Carrington Event of September 1859, the most powerful geomagnetic storm on record, caused widespread disruption to telegraph systems due to excess currents, highlighting the potential risks associated with such solar phenomena.
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ED attaches fresh assets in PMLA case against Reliance Group; total attachment over Rs 10K cr
New Delhi (PTI): The Enforcement Directorate has attached fresh assets worth Rs 1,120 crore as part of its money laundering probe against the companies of Reliance Group chairman Anil Ambani, officials said.
Eighteen properties, including the Reliance Centre in Mumbai's Ballard Estate, fixed deposits, bank balance and shareholding in unqouted investments of Reliance Anil Ambani Group have been provisionally attached under the Prevention of Money Laundering Act (PMLA), they said.
Another set of seven properties of Reliance Infrastructure Ltd, two properties of Reliance Power Ltd, nine properties of Reliance Value Service Private Ltd, fixed deposits in the name of Reliance Value Service Private Ltd, Reliance Venture Asset Management Private Lt, Phi Management Solutions Private Ltd, Adhar Property Consultancy Pvt Ltd, Gamesa Investment Management Private Ltd and investments made in unquoted investment by Reliance Venture Asset Management Private Ltd and Phi Management Solutions Private Ltd have also been attached, they said.
The ED had earlier attached properties worth over Rs 8,997 crore in the bank fraud cases related to Reliance Communications Ltd (RCOM), Reliance Commercial Finance Ltd, and Reliance Home Finance Ltd.
The total attachment in the case against the Reliance Group is now Rs 10,117 crore.
