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Corvus |
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Corvus [′kȯr·vəs]
(astronomy) A constellation, right ascension 12 hours, declination 20°S. Abbreviated Crv. Also known as Crow. Corvus (the raven), a constellation in the southern hemisphere. Its brightest star has a visual stellar magnitude of 2.6. The most favorable visibility conditions are in March and April. It is visible in the southern regions of the USSR. Corvus a device used in ancient times for breaching fortress walls, getting armed warriors into a fortress, and facilitating the boarding of ships. In the first instance, the corvus was a massive hook set in motion by several soldiers; in the second, it was a well sweep with a box for conveying soldiers; and in the third, it was a gangplank with a large metallic hook in the shape of a crow’s beak on the end which was lowered onto an enemy ship to prevent it from moving away. The first mention of the use of a corvus is in connection with the Punic Wars (third and second centuries B.C.). 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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