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Spica |
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Spica (spī`kə), brightest star in the constellation Virgo Virgo [Lat.,=the virgin], constellation lying on the ecliptic (the sun's apparent path through the heavens) between Libra and Leo, and SW of Boötes; it is one of the constellations of the zodiac.
..... Click the link for more information. ; Bayer designation Alpha Virginis; 1992 position R.A. 13h24.8m, Dec. −11°07'. A bluish-white star of spectral class spectral class, in astronomy, a classification of the stars by their spectrum and luminosity. In 1885, E. C. Pickering began the first extensive attempt to classify the stars spectroscopically. ..... Click the link for more information. B1 V, its apparent magnitude magnitude, in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. A.D.), all visible with the unaided eye, were ranked on a brightness scale such that the brightest stars were of 1st magnitude and the ..... Click the link for more information. averages about 0.96, making it one of the 20 brightest stars in the sky. Because it is an eclipsing binary star binary star or binary system, pair of stars that are held together by their mutual gravitational attraction and revolve about their common center of mass. ..... Click the link for more information. , the magnitude ranges from 0.91 to 1.01 as the two components orbit about each other within a four-day period. Spica is at a distance of about 200 light-years. Its name is Latin for "ear of grain," referring to an ear of grain held by the figure traditionally associated with the constellation Virgo. Spica [′spī·kə] (astronomy) A blue-white dwarf star of stellar magnitude 1.0, 160 light-years from the sun, spectral classification B1-V, in the constellation Virgo; the star α Virginis. Spica (α Virginis), a star of the first visual magnitude. The brightest star in the constellation Virgo, Spica has a luminosity 740 times greater than that of the sun. Spica is approximately 50 parsecs from the sun. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | 3: uidet spicas frumentarias in aceruo et alias flexiles in corona et spicas hordei uidet. |
spicas |
SPIA SPIAD Spial SPIAM SPIAP SPIASESS SPIB SPIBL SPIBOC SPIBOK spic spic Spic (disambiguation) Spic and Span Spic and Span SPIC MACAY spic-and-span Spica Spica Spica Spica spica bandage spica bandage spica bandage Spica cast spicae spicae spicae spicae testaceae SPICAM spicas spicateSpicatto Spicatto spicatum opus SPICAV spiccato spiccato spiccato bowing spiccatos spiccatos spice spice spice spice spice spice spice and herb Spice berry Spice berry Spice Birch Spice boy Spice boy spice bush spice cake spice cookie Spice exploration Spice exploration Spice Fleet Spice Fleet SpiCE for Space | |||||||
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