sagittarius-the-archer | space-encyclopedia

Space Travel

11, Feb, 2012

Space exploration began with the launch of Sputnik and Astrophysics was born as the application of physics to the phenomena observed by Astronomy, which etymologically means laws of the stars.

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Term	Definition
Sagittarius The Archer	The southernmost constellation of the zodiac, and one of those listed by Ptolemy c. AD 140. The centre of the Galaxy the Milky Way lies behind the star clouds in Sagittarius. It is a large constellation, with many bright stars; there are 14 brighter than fourth magnitude. It also contains a large number of star clusters and diffuse nebulae. The Messier Catalogue lists 15 objects in Sagittarius, more than in any other individual constellation. They include the Lagoon Nebula, the Trifid Nebula, the Omega Nebula and the third-brightest globular cluster in the sky, M22.

Term

Definition

Sagittarius The Archer

The southernmost constellation of the zodiac, and one of those listed by Ptolemy c. AD 140. The centre of the Galaxy the Milky Way lies behind the star clouds in Sagittarius. It is a large constellation, with many bright stars; there are 14 brighter than fourth magnitude. It also contains a large number of star clusters and diffuse nebulae. The Messier Catalogue lists 15 objects in Sagittarius, more than in any other individual constellation. They include the Lagoon Nebula, the Trifid Nebula, the Omega Nebula and the third-brightest globular cluster in the sky, M22.