A sudden temporary outburst of energy from a small area of the Sun's surface.
Violent eruptions of gas on the Sun's surface.
A magnetic storm on the Sun's surface which shows up as a sudden increase in brightness.
spectacular, forceful eruptions that burst forth from sunspots; waves of intense heat, light and radiation. It takes about two days for solar wind particles associated with solar flares to reach Earth's atmosphere.
An explosive event occurring in or near an active region on the sun.