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
Stability of the Solar System Stability of the Solar System The stability of the Solar System is a subject of much inquiry in astronomy. Though the planets have been stable when historically observed, and will be in the short term, their weak gravitational effects on one another can add up in unpredictable ways. For this reason (among others) the Solar System is chaotic, and even the most precise long-term models for the orbital motion of the Solar System are not valid over more than a few tens of millions of years. The Solar System is stable in human terms, and far beyond, given that it