HiRISE | New Captioned Images

Week of 10 December 2018

	The Enduring Charm of Martian Spiders Our current theory for how these patterns are formed is that during winter a carbon dioxide ice layer develops over the surface.
	Swiss Cheese on a Red Planet HiRISE has looked at this part of the polar cap many times to see how it is changing.
	Slope Streaking We’ve monitored slope streaks on this hill for several years, and can see definite changes over time.
	The Eastern Slope of Asimov Crater’s Central Pit Asimov is an 84-kilometer diameter crater located in the southern ancient highlands of Mars.

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