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Space scientists from NASA and the European Space Agency say they've discovered that Venus, one of the most Earth-like planets known, has a strong electric field in its outer atmosphere that it is likely to have sucked out all the oxygen and water into space. They have called it an 'electric wind'. Glyn Collinson, a scientist at NASA’s Goddard Space Flight Center in Maryland says this new discovery helps to explain why it is possible to have life on Earth. (Picture: Artist's concept of Venus' electric field. Credit: NASA)