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Spat (unit) The spat (symbol ''sp''), from the Latin ''spatium'' ("space") is a unit of solid angle. 1 spat is equal to 4π steradians〔〔 or approximately square degrees of solid angle.〔 As such, it is the solid angle of a sphere.〔 The spat (symbol ''S''〔) is also an obsolete unit of distance used in astronomy.〔〔 It is equal to one kilometres (1 Tm or 1012 m).〔 It is about 6.6846 astronomical units (AUs),〔 1.057×10−4 light-years or 3.240×10−5 parsecs. ==See also==
*Turn (geometry)
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Spat (unit)」の詳細全文を読む
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