Proper noun
(Greek mythology) The goddess of divine retribution
(astronomy) Smallest of the four inner moons of Jupiter.
Source: en.wiktionary.orgDiscovery and observations Discovery image of Adrastea, taken on July 8, 1979, by Voyager 2. Adrastea is the fainter dot, in the very middle, straddling the line of the Jovian rings. Source: Internet
However, since it is not breaking up, it must still lie outside its rigid Roche limit.sfn Adrastea is the second-fastest moving of Jupiter's moons, with an orbital speed of 31.378 km/s. Source: Internet