Overview
Virgo is the second-largest constellation in the sky, covering about 1,294 square degrees, surpassed only by Hydra. Its brightest star, Spica (Alpha Virginis), is a brilliant blue-white star shining at magnitude 1.0, about 260 light-years from Earth. Spica is actually a close binary system and one of the brightest stars along the ecliptic. Virgo's most remarkable feature for astronomers is the Virgo Cluster, a massive gathering of over 2,000 galaxies at the heart of the Virgo Supercluster, to which our own Milky Way belongs. The cluster lies in the constellation's northern reaches and represents one of the densest galaxy concentrations in the nearby universe. Virgo is best observed from March through June.
Mythology
Virgo has been associated with goddesses and harvest across many cultures. The Greeks identified her with Demeter, goddess of the harvest, or with her daughter Persephone, whose annual return from the underworld brings spring. When Demeter mourned Persephone's absence, the earth became barren (winter), and when Persephone returned, crops flourished again. The Romans associated Virgo with Ceres, from whom we get the word cereal. In another tradition, she is Astraea, goddess of justice, the last immortal to leave Earth, holding the scales of Libra beside her. The Babylonians saw a grain goddess holding a sheaf of wheat, and Spica means ear of grain in Latin.
Astrological Significance
Virgo is the sixth sign of the zodiac, governing those born between August 23 and September 22. Ruled by Mercury, it is a mutable earth sign representing analysis, service, health, and practical wisdom. Virgos are known for their attention to detail, analytical minds, and desire to be useful. Mercury's rulership gives this sign exceptional communication skills and mental agility, directed toward practical problem-solving rather than abstract theory. In a birth chart, planets in Virgo express themselves with precision and a focus on improvement. The mutable quality gives Virgo adaptability and a talent for refining and perfecting. Spica is considered one of the most fortunate fixed stars in astrology.
Observing Tips
Virgo is best observed during spring evenings. Follow the arc of the Big Dipper's handle through Arcturus and onward to Spica, using the mnemonic arc to Arcturus, spike to Spica. The Virgo Cluster of galaxies is the constellation's supreme attraction for telescope users. Dozens of galaxies are visible in moderate amateur telescopes, including the giant elliptical M87 (which contains a famous supermassive black hole first imaged in 2019), the Sombrero Galaxy (M104) near the Virgo-Corvus border, and many spiral and elliptical galaxies throughout the cluster. Galaxy hopping through the Virgo Cluster is one of the most rewarding experiences in amateur astronomy.