- ZUBENELGENUBI (Alpha Librae). Dim Libra, which 2000 years ago held the autumnal equinox in its balance pans, is identified chiefly by two stars to the northwest of Scorpius that have delightful names, Zubeneschamali and Zubenelgenubi.
- South American Plate (Wikipedia)
The South American Plate is a major tectonic plate which includes the continent of South America as well as a sizable region of the Atlantic Ocean seabed extending eastward to the African Plate, with which it forms the southern part of the Mid-Atlantic Ridge.