Zodiac celestial coordinate system, or more specifically an ecliptic coordinate system, which takes the ecliptic as the origin of latitude and the Sun's position at vernal equinox as the origin of longitude. The English word ' derives from ', the Latinized form of the Ancient Greek "zōidiakòs kýklos" (), meaning "cycle or circle of little animals". "Zōidion" () is the diminutive of "zōion" (, "animal"). The name reflects the prominence of animals (and mythological hybrids) among the twelve signs. The zodiac was in use by the Roman era, based on concepts inherited by Hellenistic astronomy from Babylonian astronomy of the Chaldean
Name-letter effect then also appear in reverse order, and finally the letters of both of Jef's names. The shading in the table reveals the pattern hidden to subjects, who would have been told to circle their preferred letter of each pair as fast as possible without thinking. In the first trial, 38 Dutch-speaking local elementary school girls circled the letters they preferred in two yoked lists of letter pairs. A significant preference for the letters of one's own name over those of the other person was found. The second experiment used 98 Dutch-speaking local university students, to see if more years of