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The hunt to determine farming on Mars

As soon as upon a time, water flowed throughout the floor of Mars. Waves lapped towards shorelines, sturdy winds gusted and howled, and driving rain fell from thick, cloudy skies. It wasn’t actually so totally different from our personal planet 4 billion years in the past, apart from one essential element—its dimension. Mars is about half the diameter of Earth, and that’s the place issues went fallacious.

The Martian core cooled rapidly, quickly leaving the planet with no magnetic area. This, in flip, left it susceptible to the photo voltaic wind, which swept away a lot of its environment. With no vital protect from the solar’s ultraviolet rays, Mars couldn’t retain its warmth. A number of the oceans evaporated, and the subsurface absorbed the remainder, with solely a little bit of water left behind and frozen at its poles. If ever a blade of grass grew on Mars, these days are over. 

However might they start once more? And what wouldn’t it take to develop vegetation to feed future astronauts on Mars? Learn the total story.

—David W. Brown

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