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“For those attentive sky viewers, you’ll really see a dance of the planets as Jupiter, Venus and Mercury switch places,” says Alan.The planets are about to align (again!) - Australian Geographic

A piece of Mars: Small, dark ripples have overridden larger, bright ones. The larger ones have some interesting shapes -- arcs, splits that resemble tuning forks, and even circles. Their shape is accentuated by the smaller, very regular ripples between them. (HiRISE PSP_004077_1325).

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