"The largest CMEs can contain billions of tonnes of solar material and fly out from the sun at up to 3,000 kilometers per second, according to the National Oceanic and Atmospheric Administration (NOAA)'s Space Weather Prediction Center."
Much more frightening for space travelers or moon colonists than for low-tech folks here on Earth.
It does give a serious perspective to how much our planet protects life. And an appreciation for the complex processes that maintain our atmosphere in-tact, as well as shunting the energy away from living things.