Fern fronds are the leaves of ferns. They are a major organ of a fern and range significantly between species. Some species of tree ferns have fronds that grow as large as 5 m long while other species are limited to growing frond only 1 cm in length.
Cerium is a soft, ductile, silvery-white metallic chemical element with symbol Ce and atomic number 58. Cerium tarnishes when exposed to air, and it is soft enough to be cut with a knife. Cerium is the second element in the lanthanide series, and while it often shows the +3 state characteristic of the series, it also exceptionally has a stable +4 state that does not oxidise water.
In astrology, Capricorn is considered an earth sign, introvert sign, a power sign and one of the four cardinal signs. Capricorn is said to be ruled by the planet Saturn. Its symbol is based on the Sumerians' primordial god of wisdom and waters, Enki with the head and upper body of a mountain goat, and the lower body and tail of a fish.