space
Solar storms connect activity on the Sun with technology near Earth
Space weather begins with physical processes on the Sun, but its effects can reach the systems used for communication, navigation and power on Earth. Understanding those connections requires distinguishing several kinds of solar activity.
A solar flare is a burst of electromagnetic radiation. A coronal mass ejection sends a large cloud of solar material into space, while energetic particles can create a radiation storm. These phenomena can occur together, but they do not travel in the same way or produce identical effects.
When conditions are suitable, material and magnetic fields arriving from the Sun disturb Earth's magnetic environment. The resulting changes can affect satellites and some ground-based infrastructure. Auroras are a visible expression of these interactions, although the appearance of an aurora alone does not describe every technological risk.
Observation and forecasting help operators prepare, but a warning involves uncertainty about timing and intensity. Space weather is therefore a matter of combining measurements with operational decisions. The subject connects solar physics to ordinary services, showing why a distant eruption can be relevant to equipment that people use without thinking about the space environment around it.