亮度变化情况
Luminance variation
以上为机器翻译结果,长、整句建议使用 人工翻译 。
他还提出地球在围绕太阳转的同时,它本身还自转,这样就说明了行星运动的变化情况以及星球亮度问题。
He also suggested that the earth was spinning as it went round the sun and this explained changes in the movement of the planets and in the brightness of the stars.
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