Maia Callisto with Zeus. Wronged by the love affair, Zeus' wife Hera in a jealous rage had transformed Callisto into a bear. Arcas is the eponym of Arcadia, where Maia was born. The story of Callisto and Arcas, like that of the Pleiades, is an "aition" for a stellar formation, the constellations Ursa Major and Ursa Minor, the Great and Little Bear. Her name is related to μαῖα ("maia"), an honorific term for older women related to μήτηρ ("mētēr") 'mother'. "Maia" also means "midwife" in Greek. In ancient Roman religion and myth, Maia embodied the concept of growth, as her name
Ursa Major 2001, orbits every 2391 days and is 0.54 times the mass of Jupiter. 47 Ursae Majoris d, discovered in 2010, has an uncertain period, lying between 8907 and 19097 days; it is 1.64 times the mass of Jupiter. The star is of magnitude 5.0 and is approximately 46 light-years from Earth. The star TYC 3429-697-1 (; 48°14′2″, located to the east of θ Ursae Majoris and to the southwest of the "Big Dipper") has been recognized as the state star of Delaware, and is informally known as the Delaware Diamond. Several bright galaxies are found in Ursa Major, including the