Solar Flares Disrupt Communications on Earth, Could Send Shockwave on Friday the 13th

Solar Flares Disrupt Communications on Earth, Could Send Shockwave on Friday the 13th - ABC News: "The sun has had three major solar flares on its surface in the past two days that have affected communications on Earth and could send a shockwave through Earth this Friday, according to the National Oceanic and Atmospheric Administration."