filigree A string of bright points on the Sun's photosphere that are sometimes visible in intergranular lanes in continuum images; the smallest points are only about 150 km and last for less than half an hour. Filigrees are thought to be places where flux tubes penetrate the photosphere. Related category SOLAR TOPICS Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |