Diva Zappa to raise awareness about child abuse and neglect. Following the death of Zappa's mother, Gail, in October 2015, it was revealed that Diva and her brother Ahmet were given control of the Zappa Family Trust with shares of 30% each, while her siblings Moon and Dweezil were given smaller shares of 20% each. As beneficiaries only, Moon and Dweezil will not see any money from the trust until it is profitable—in 2016, it was "millions of dollars in debt"—and must seek permission from Ahmet, the trustee, to make money off of their father's music or merchandise bearing his name. The
Digit (unit) one twelfth of the diameter of the sun or the moon. This is found in the Moralia of Plutarch, XII:23, but the definition as exactly one twelfth of the diameter may be due to Ptolemy. Sosigenes of Alexandria had observed in the 1st century AD that on a dioptra, a disc with a diameter of 11 or 12 digits (of length) was needed to cover the moon. The unit was used in Arab or Islamic astronomical works such as those of Ṣadr al‐Sharīʿa al‐Thānī (d.1346/7), where it is called "iṣba' ", digit or finger. The astronomical digit was in use