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Qigong (/ ˈ tʃ iː ˈ ɡ ɒ ŋ /), qi gong, chi kung, chi 'ung, or chi gung (simplified Chinese: 气功; traditional Chinese: 氣功; pinyin: qìgōng; Wade–Giles: ch‘i kung; lit. 'life-energy cultivation') is a system of coordinated body-posture and movement, breathing, and meditation used for the purposes of health, spirituality, and martial-arts training.
The Omega Nebula is an H II region, a type of emission nebula, in the constellation Sagittarius.It was discovered by Jean-Philippe Loys de Cheseaux in 1745. Charles Messier catalogued it in 1764 as number 17 in his set of comet-like astronomical objects.