棕榈树下的日偏食
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针孔相机
天文·每日一图
日轨摄影术与日行迹
2022年7月2日 Solargraphic Analemmas Image Credit & Copyright: Dawid Rycabel (Pinholove) Explanation: For the northern hemisphere June 21 was the summer solstice, the Sun reaching its northernmost declination for the year. That would put it at the top of each of these three figure-8 curves, or anal