May 3rd. Traditionally, the ruling celestial body of Aquarius was Saturn, but has since changed to Uranus. And last, but certainly not least, there is the issue of the missing 13th sign, which corresponds to the constellation. The sign is associated with the Fourth House Genitor (Parent) in Latin, or the House of Home and Family in modern times. The concept of the zodiac originated in Babylon in the 2nd millennium BCE, and was later influenced by Hellenistic (Ancient Greek Roman, and Egyptian culture. Located.5 billion light years away from Earth, this galaxy has a central supermassive black hole that is one of the largest known (with 18 billion solar masses and produces quasi-periodic optical outbursts. In terms of deep-sky objects, Cancer is best known as being the home of Messier Object 44 (aka. Gliese 876, one of the nearest stars (15 light-years was the first red dwarf start to be found to have a planetary system which consists of four planets, one of which is a terrestrial Super-Earth.