You're Smarter for10 ; the Red Planet Is Causing Stir on Earth. MARION MCMULLEN Checks out the Latest from Mars

Manchester Evening News, October 3, 2015 | Go to article overview

You're Smarter for10 ; the Red Planet Is Causing Stir on Earth. MARION MCMULLEN Checks out the Latest from Mars


1 WHO IS DIPPING THEIR TOE IN THE WATER? SCIENTISTS at the American space station Nasa say mysterious features on Mars that ebb and flow with the seasons are almost certainly caused by water flowing on the planet.

2 IS THERE LIFE ON MARS? THE discovery raises the tantalising possibility of primitive life forms similar to "extremophile" microbes that survive hostile conditions on Earth living on present- day Mars.

DO STILL WATERS RUN DEEP? 3 STREAK features at four locations on Mars have been found to contain salt minerals very likely to have precipitated from flowing briny water. The most common salts were magnesium perchlorate, magnesium chlorate and sodium perchlorate.

4 ANYONE FOR LIFE ON THE HIGH SEAS? SCIENTISTS believe around three billion years ago two thirds of the planet's northern hemisphere was covered by a huge ocean up to a mile deep. Then somehow Mars lost its surface water. Much of it is thought to have evaporated into space, but a portion remains locked in the polar icecaps and possibly in pockets underground.

What'S up doc? 5 DR Joe Michalski, a Mars expert at London's Natural History Museum, said: "We know from the study of extremophiles on Earth that life can not only survive, but thrive in conditions that are hyper-arid, very saline or otherwise 'extreme' in comparison to what is habitable to a human. In fact, on Earth, wherever we find water, we find life."

6 IS IT ALL ABOUT TIMING? …

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