What makes Mars an intriguing planetary candidate despite its current cold surface conditions?

Answer

Evidence suggests liquid water flowed on its surface billions of years ago and subsurface ice is present.

Mars is a major target because evidence points to past liquid water flow, and it currently harbors subsurface ice, suggesting extant life might exist underground.

What makes Mars an intriguing planetary candidate despite its current cold surface conditions?

#Videos

Scientists Discover Planets More Habitable Than Earth - YouTube

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