Strong geomagnetic storm may hit Earth tomorrow as Sun fires off massive flare

• The Space Weather Prediction Center under the National Oceanic and Atmospheric Administration (NOAA) on Friday issued a G3 (strong) geomagnetic storm watch for October 30 following a massive X-class solar flare from the Sun on Thursday
• A coronal mass ejection (an eruption of charged particles) from the flare could reach Earth by Saturday or Sunday, it said