:10
:09
:08
:07
:06
:05
:04
:03
:02
:01
| the Goat, a zodiacal constellation between Sagittarius and Aquarius. |
| one of several hundred known celestial objects, generally believed to be rapidly rotating neutron stars, that emit pulses of radiation such as radio waves with a high degree of regularity |
| spica (ˈspaɪkə) | |
| —n , pl -cae, -cas | |
| 1. | med a spiral bandage formed by a series of overlapping figure-of-eight turns |
| 2. | botany another word for spike |
| [C15: from Latin: ear of corn] | |
| Spica (spī'kə) Pronunciation Key
A bright bluish-white binary star in the constellation virgo, with an apparent magnitude of 0.96. Scientific name: 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 0.98. 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 260 light-years from the Earth
Learn more about Spica with a free trial on Britannica.com.