Sagitta (Arrow). A small constellation in the northern hemisphere near Cygnus, lying iñ the Milky Way, the brightest stars being one (γ) of 3rd magnitude and some of 4th magnitude. It contains the open cluster M71. Abbrev.: Sge; genitive form: Sagittae; approx. position: RA 19.7h, dec +18°; area: 80 sq deg.
KeywordsVortex Microwave Zirconium Silicate Recombination
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