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Solar Wind turned Mars into a dry, cold planet

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Solar Wind turned Mars into a dry, cold planet

Particles blasting out from the sun stripped away what was once a thick, Earth-like atmosphere on Mars, leaving behind a dry and cold world inhospitable to life.

About 4 billion years ago when life was starting on Earth, Mars also had a dense atmosphere which kept the planet warm and wet.
 

Measurements by one of NASA’s Mars-orbiting spacecraft show that over time, energized particles in the solar wind stripped off Mars’ atmosphere, leaving thin and still-shrinking envelope of gases around the planet.
 


 

Courtesy: REUTERS

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