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Spica
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Spica

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Also known as: Alpha Virginis
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Latin:
“Head of Grain”
Also called:
Alpha Virginis
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Spica, brightest star in the zodiacal constellation Virgo and one of the 15 brightest in the entire sky, having an apparent visual magnitude of 1.04. It is a bluish star; spectroscopic examination reveals Spica to be a binary with a four-day period, its two components being of the first and third magnitudes, respectively. Spica lies about 250 light-years from Earth.

(List of Brightest Stars as Seen from Earth)

The Editors of Encyclopaedia Britannica This article was most recently revised and updated by Erik Gregersen.