@dr.topazSaturn's moon Janus spans about 200 km in this Cassini shot from September 25, 2006
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Janus moon Saturn Cassini 2006
Photo by @dr.topaz· Sep 25, 2026· NASA
About this photo
The focus is a small, cratered moon against a vast, hazy background. The moon is suspended in space, with a large planet's atmosphere dominating the background. The mood is awe-inspiring and scientific, with a touch of mystery. A notable detail is the textured surface of the moon, showing its geological history. ON-SCREEN TEXT: NASA / JPL-Caltech / SSI / Jason Major
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