An image taken by Nasa in January 2012 shows a solar flare erupting on the sun’s northeastern hemisphere. Physicist Doug Biesecker said the biggest concern from the speedy eruption was the radiation, which arrived on Earth an hour later. Photo: AP

Why Hong Kong should not take its eyes off the sun

  • Power and communications networks could be wiped out in an extreme event, unless we start paying attention to changes in solar and space weather
Topic |   Science

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An image taken by Nasa in January 2012 shows a solar flare erupting on the sun’s northeastern hemisphere. Physicist Doug Biesecker said the biggest concern from the speedy eruption was the radiation, which arrived on Earth an hour later. Photo: AP
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