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NASA Finds Evidence of a Vast Ancient Ocean on Mars
A huge primitive ocean covered one-fifth of the red planet’s surface, making it warm, wet and ideal for alien life to gain a foothold, scientists say
A massive ancient ocean once covered nearly half of the northern hemisphere of Mars making the planet a more promising place for alien life to have gained a foothold, Nasa scientists say.
The huge body of water spread over a fifth of the planet’s surface, as great a portion as the Atlantic covers the Earth, and was a mile deep in places. In total, the ocean held 20 million cubic kilometres of water, or more than is found in the Arctic Ocean, the researchers found.
Read more here: http://www.theguardian.com/science/2015/mar/05/nasa-finds-evidence-of-a-vast-ancient-ocean-on-mars
An artist’s impression of the ancient ocean on Mars, which lasted for billions of years more than was previously thought. Credits: Mars Geronimo Villanueva/Nasa
