mirroir:Saturn’s moon Rhea is in the centre of the frame, as two moons move past it. Mimas is the (
mirroir:Saturn’s moon Rhea is in the centre of the frame, as two moons move past it. Mimas is the (apparently) slower-moving moon; Enceladus moves more rapidly through the field of view. Photographed by Cassini. -- source link
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