- 靠三角几何(认真的)用角度算
- 靠光线的色谱和衰减度算
- 靠猜
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地球绕着太阳转,地球和太阳的距离先搞清楚(三角关系),然后用地球绕太阳轨道的两个顶端,观测新天体建立新三角关系,一点点测
-金笔-
♂
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07/14/2022 postreply
02:48:50
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那不是直接测的距离?真不简单
-休闲时-
♂
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07/14/2022 postreply
06:31:43
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