Terra (mythology) vegetative and animal fertility and abundance. Tellumo is identified by St. Augustine as the male counterpart of Tellus. A Tellurus is named uniquely by Martianus Capella (1.49). In several modern Romance languages, "terra" (or French "terre") is the name of planet Earth. Following post-classical Latin astronomical terminology, Earth is sometimes referred to as "Terra". Terra (mythology) In ancient Roman religion and myth, Tellus Mater or Terra Mater ("Mother Earth") is a goddess of the earth. Although Tellus and Terra are hardly distinguishable during the Imperial era, "Tellus" was the name of the original earth goddess in the religious practices of
Solar System largely of materials with lower melting points. The boundary in the Solar System beyond which those volatile substances could condense is known as the frost line, and it lies at roughly 5 AU from the Sun. The objects of the inner Solar System are composed mostly of rock, the collective name for compounds with high melting points, such as silicates, iron or nickel, that remained solid under almost all conditions in the protoplanetary nebula. Jupiter and Saturn are composed mainly of gases, the astronomical term for materials with extremely low melting points and high vapour pressure, such as hydrogen, helium,