first point of Aries
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first point of AriesAnother name for the vernal equinox, which over 2000 years ago, when Hipparchus first used the term, lay in the constellation Aries. Due to the westerly precession of the equinoxes the vernal equinox now lies in Pisces and will subsequently move into Aquarius. Likewise the first point of Libra, or the autumnal equinox, once lay in Libra but is now located in Virgo.
first point of Aries[¦fərst ¦pȯint əv ′er·ēz]