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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West Bengal exit polls: People’s Pulse projects TMC lead, others predict BJP surge
Kolkata: Exit polls for the West Bengal Assembly Election 2026 have shown different projections, with some surveys indicating a lead for the All India Trinamool Congress (TMC), while others suggest an advantage for the Bharatiya Janata Party (BJP).
According to People’s Pulse, the TMC+ alliance is projected to win between 177 and 187 seats in the 294-member Assembly.
The BJP is estimated to secure between 95 and 110 seats, while the Left Front+ is predicted to win up to one seat. The Congress (INC) is likely to get between one and three seats, and others are projected to win between one and two seats.
Matrize projections indicate a different trend, with the BJP projected to win between 146 and 161 seats, crossing the majority mark of 148, with a vote share of 42.5 per cent. The TMC is estimated to win between 125 and 140 seats with a vote share of 40.8 per cent.
P-MARQ has also projected a BJP lead, estimating the party to win between 150 and 175 seats, while the TMC+ alliance is expected to secure between 118 and 138 seats. The same survey projects Congress to win between 2 and 6 seats.
Poll Diary estimates suggest the BJP may win between 142 and 171 seats, while the TMC could secure between 99 and 127 seats. Other parties are projected to win between 5 and 9 seats.
Chanakya Strategies has projected the BJP to win between 150 and 160 seats, while the TMC is estimated to get between 130 and 140 seats. Others are expected to secure between 6 and 10 seats, while Congress and Left are projected at zero.
ABP projections estimate the BJP to win between 146 and 161 seats, while the TMC is expected to secure between 125 and 140 seats. Others are projected to win between 6 and 10 seats.
Polls in the state were held in two phases on April 23 and 29, and the counting of votes is scheduled to take place on May 4.
