Sky gazing (Dzogchen)

In Dzogchen, sky gazing (Wylie: nam mkha' ar gtad, THDL: namkha arté) is one of the core practices of trekchö as well as tögal. It is part of the Nyingma school of Tibetan Buddhism and Bon. Detailed instructions on the practice are provided by the Nyingma teacher Tarthang Tulku, among others. The result of the practice is the rainbow body.