Quick Facts
- Latin:
- “Head of Grain”
- Also called:
- Alpha Virginis
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Spica
star
Also known as: Alpha Virginis
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.
The Editors of Encyclopaedia Britannica This article was most recently revised and updated by Erik Gregersen.
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