Though we think of Mars as a dry and dusty wasteland, it once contained huge amounts of water on its surface.
Newly released photos by the European Space Agency (ESA) provide more evidence of the previous incarnations of the Red Planet, which include water on a warmer planet about 3.5 billion years ago.
The photos taken by ESA's Mars Express satellite show an ancient region in the southern mountains of Mars filled with craters that have watermark markers. The space agency says the topography of the region suggests that the water runs down north to south, carving the valleys up to 1
"We see Mars as a cold, dry world, but many Research over the past few years has shown that once the planet has had a thicker, dense atmosphere that is able to lock out much larger heat and therefore to facilitate and maintain the flow of liquid water
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NEW CAMPAIGN "CONTENTS" NOT COVERED
It is not yet clear, according to scientists, where the water comes from the Red Planet. Opportunities include groundwater, rainfall or even melting glaciers.
An issue that naturally follows from the discussion of water can Mars be appropriate for life forms?
In search of an answer, next year, ESA and Roscosmos will launch the ExoMars mission, including Roser, recently Rosalind Franklin, and the Surface Science Platform. The router will drive around the planet and will break under the surface in search of signs of life.
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Meanwhile, the landscape of the Red Planet will continue to charm scientists and provoke widespread awe.