- 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
• 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- ♂ (152 bytes) () 07/14/2022 postreply 02:48:50
• 那不是直接測的距離?真不簡單 -休閑時- ♂ (0 bytes) () 07/14/2022 postreply 06:31:43
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