Aglaonike (Gr. Ἀγλαονίκη, fl. 2nd century BC), also known as Aganice of Thessaly is cited as the first female astronomer in ancient Greece. She is mentioned in the writings of Plutarch and Apollonius of Rhodes as the daughter of Hegetor of Thessaly. She was regarded as a sorceress for her ability to make the moon disappear from the sky, which has been taken to mean she could predict the time and general area where a lunar eclipse would occur. A number of female astrologers, apparently regarded as sorcerers, were associated with Aglaonike. They were known as the "witches of Thessaly" and were active from the 1st to 3rd centuries BCE. One of the craters of the planet Venus is named after Aglaonike. Aglaonike is a featured figure on Judy Chicago's installation piece The Dinner Party, being represented as one of the 999 names on the Heritage Floor. A Greek proverb makes reference to Aglaonike's alleged boasting: "Yes, as the moon obeys Aglaonike". This article incorporates text from a publication now in the public domain: Smith, William, ed. (1867). "". Dictionary of Greek and Roman Biography and Mythology.