Breathtaking Photos of Mars Terrain Hint at a Mysterious Cyclic Past - ScienceAlert

A newly released image from a Mars satellite offers a glimpse into the complex past of the now dry and dusty world.

A newly released image from a Mars satellite offers a glimpse into the complex past of the now dry and dusty world. From high above the surface of Mars, the orbiting High Resolution Imaging Experime… [+2233 chars]

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