NASA's Mars Reconnaissance Orbiter (MRO) has spotted its roving buddy Curiosity on the Martian landscape, but the rover seems to be missing its tell-tale tracks in the red planet's dirt.
After Curiosity dramatically touched down on Mars in 2012, it kicked up some dirt that still hasn't faded from view.
Like a coworker looking over her shoulder in the office, Curiosity has a Martian colleague checking up on her progress from high above.
Here today, gone tomorrow; a bright layer of frost lining a crater wall is vanquished by the springtime sun -- and seen by a NASA Mars satellite high overhead.
The Martian surface is covered with a diverse array of landscapes and features, but this is one of the weirdest.
Although this crater rim is entering summer, its south-facing slopes are still festively frosted in ice.
The Martian landscape is peppered with features that look very alien and often cannot be easily explained.
As comet Siding Spring speeds away after its Martian encounter on Sunday, our armada of satellites have reported in to signal that they are OK.
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