An 11-year cycle of solar activity has begun, heralding disruptive geomagnetic disturbances on earth. In past cycles, storms on the sun's surface have wreaked havoc with communications satellites and
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/warning-utilities-when-sun-storms-turn-threatening
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-week-new-york
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/physical-science