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1秒的角大約等於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,即使天體移動一角秒(1″),由於這個三角形的邊長很大,有數光年之長,所以星球的移動距離也超大。
Floor 3
巨大八爪鱼
6/25/15 21:25
1弧度已經是很大的銳角了。再乘上10^-6
一秒的角真的難以想象
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