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1秒的角大约等于4.85μrad
Floor 1
巨大八爪鱼
6/25/15 21:20
1″ ≈ 4.8481e-6 rad
Floor 2
巨大八爪鱼
6/25/15 21:21
在宇宙中,即使天体移动一角秒(1″),由于这个三角形的边长很大,有数光年之长,所以星球的移动距离也超大。
Floor 3
巨大八爪鱼
6/25/15 21:25
1弧度已经是很大的锐角了。再乘上10^-6
一秒的角真的难以想象
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