- 靠三角幾何(認真的)用角度算
- 靠光線的色譜和衰減度算
- 靠猜
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地球繞著太陽轉,地球和太陽的距離先搞清楚(三角關係),然後用地球繞太陽軌道的兩個頂端,觀測新天體建立新三角關係,一點點測
-金筆-
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(152 bytes)
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07/14/2022 postreply
02:48:50
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那不是直接測的距離?真不簡單
-休閑時-
♂
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07/14/2022 postreply
06:31:43
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