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Mars was oncecovered in water making it ideal for aliensPosted:

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Mars was once covered in water, making it ideal for alien life

Mars used to be covered in water and so could have been ideal for supporting life, according to Nasa scientists.

Researchers found that the planet was once covered in more water than Earth is now, by working out the amount of water that has since been lost to space. About 4.3 billion years ago, half of the northern hemisphere of Mars was covered in water, with the ocean more than a mile deep in some places.

Our study provides a solid estimate of how much water Mars once had, by determining how much water was lost to space, said Geronimo Villanueva, a scientist at NASAs Goddard Space Flight Center in Greenbelt, Maryland, and lead author of the new paper. With this work, we can better understand the history of water on Mars.

The new data changes the idea of Mars as an inhospitable desert planet that has been unable to support life, as it is now. The lack of water on the planet has long been seen as a reason that Mars is uninhabited, but the planet may have been much more welcoming when it was young.

As recently as ten years ago, scientists thought that while Mars had some water it mostly came forth sporadically, and did not cover much of the planet. But scientists have discovered that much more water than expected has been lost from Mars, changing the idea of what it would have been like.

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#2. Posted:
  • TTG Master
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Thats crazy how people discover stuff like this.
#3. Posted:
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Makes you wonder about the things around you eh?
#4. Posted:
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I wonder if it had any animal life in the waters.
#5. Posted:
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When I think about this kind of stuff too much I get freaked out.
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