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Cape Town: A geomagnetic storm lit up the night sky in parts of the US during the first weekend in October. South Africa’s National Space Agency (Sansa) told reporters that the storm had originated from a solar flare “that erupted from sunspot 3842 on October 3”. It said this was the strongest Earth-facing solar flare…
Read More “A Geomagnetic Storm Has Hit Earth. Here’s What It Is And What Causes Them” »
On Friday night, people from across the world were treated to a rare spectacle: vivid aurorae hanging like curtains of light in the sky. They appeared even in places where aurorae aren’t usually visible. For instance, people at the Indian Astronomical Observatory spotted an aurora over Hanle in Ladakh — far away from places near…
Read More “More solar storms brewing after last week’s aurorae as Sun ‘wakes up’” »
On a cold winter night on March 13, 1989, the power grid in Quebec, Canada, went down without a warning, plunging the province into darkness. The underground metro railway in the city of Montreal came to a grinding halt and airport operations were disrupted. Down south in the neighbouring United States, nights lit up in…
Read More “Aditya-L1 mission pursues the enigma of space weather” »