coronal rain Material that condenses in the Sun's corona and falls along curved paths onto the chromosphere. Observed in H-alpha light at the solar limb above strong sunspots, coronal rain consists of gas ejected by a loop prominence that returns, several hours later, along the outline of the now invisible loop. Related category SOLAR TOPICS Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |