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At the end of a full(er) Kaddish, and at the end of shmoneh esrei there is a line "oseh shalom bimromav". The meaning seems to be an invocation of Hashem as the one who makes peace in his high places. Rashi and the Malbim on Iyov 25:2 point to "peace" in the sky (the ascension of the constellatio...