土卫十二的立体影像
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Helene
天文·每日一图
土卫十二的彩色影像
2023年4月30日 Saturn’s Moon Helene in Color Image Credit: NASA, JPL-Caltech, SSI; Processing: Daniel Macháček Explanation: Although its colors may be subtle, Saturn’s moon Helene is an enigma in any light. The moon was imaged in unprecedented detail in 2012 as the robotic Cassini spacecraft