The sun has had quite a busy week hurling solar flares at our planet, causing blackouts across the globe. “After weeks of calm, solar activity is suddenly high again,” reports Spaceweather.com. This is not totally unexpected,

The sun has released several powerful M- and X-class solar flares over the past few days, resulting in radio blackouts around the world.

A powerful solar flare erupted early Tuesday, disrupting radio signals across Earth, said the NOAA Space Weather Prediction Center.