月球的正面
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synchronous rotation
天文·每日一图
土星前方的土卫六
2022年5月27日 Titan: Moon over Saturn Image Credit: NASA, JPL-Caltech, Space Science Institute Explanation: Like Earth’s moon, Saturn’s largest moon Titan is locked in synchronous rotation. This mosaic of images recorded by the Cassini spacecraft in May of 2012 shows its anti-Saturn side, t
天文·每日一图
土星前方的土卫六
2021年01月09日 Titan: Moon over Saturn Image Credit: NASA, JPL-Caltech, Space Science Institute Explanation: Like Earth’s moon, Saturn’s largest moon Titan is locked in synchronous rotation. This mosaic of images recorded by the Cassini spacecraft in May of 2012 shows its anti-Saturn side,