The hunt to determine farming on Mars
As soon as upon a time, water flowed throughout the floor of Mars. Waves lapped in opposition to shorelines, sturdy winds gusted and howled, and driving rain fell from thick, cloudy skies. It wasn’t actually so completely different from our personal planet 4 billion years in the past, aside from one essential element—its dimension. Mars is about half the diameter of Earth, and that’s the place issues went mistaken.
The Martian core cooled rapidly, quickly leaving the planet with no magnetic discipline. This, in flip, left it susceptible to the photo voltaic wind, which swept away a lot of its ambiance. With out a vital defend from the solar’s ultraviolet rays, Mars couldn’t retain its warmth. Among the oceans evaporated, and the subsurface absorbed the remaining, 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 complete story.
—David W. Brown
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