To most people, the sun is a steady, never-changing source of heat and light. But to scientists, it’s a dynamic star, constantly in flux, sending energy out into space. Experts say the sun is now in its most active period in two decades, causing potential disruptions to radio and satellite communications. John Yang speaks with Bill Murtagh of NOAA’s Space Weather Prediction Center to learn more.Notice: Transcripts are machine and human generated and lightly edited for accuracy. They may contain errors. John Yang: To most of us, the sun is a steady never changing source of heat and light. But to scientists, it's a dynamic star constantly in flux sending energy out into space. Right now experts say it's in its most active period in two decades. For us earthlings the signs of that are likely to be more vivid northern lights or Auroras visible over a wider area of unusual and perhaps disruptions to radio and satellite communications.The person in charge of coordinating the government's res...
