aries

The Sailor's Word-Book

The most important point of departure in astronomy. A northern constellation forming the first of the twelve signs of the zodiac, into which the sun enters about the 20th of March. With Musca, Aries contains 22 nebulæ, 8 double and 148 single stars, but not above 50 are visible to the unassisted eye. The commencement of this sign, called the first point of Aries, is the origin from which the right ascensions of the heavenly bodies are reckoned upon the equator, and their longitudes upon the ecliptic.

The Sailor's Word-Book

← argument of latitude   ×   aris →

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