Rosetta Comet Probe Finds Elements Of Life

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The Rosetta spacecraft has discovered all the elements of life in the gases jetting from a comet as it approaches the Sun. The ingredients that make up amino acids, life’s building blocks, are all contained in the tail of the comet 67P/Churyumov-Gerasimenko (67P/C-G). Among them are methane, methanol, CO2, ammonia and water. All proteins are made of amino acids. If Rosetta’s lander, Philae, discovers complete amino acids when it reaches the comet’s surface in November, it would support the hypothesis that life on Earth was seeded by comets with complex organic molecules as well as water. “We know amino acids and other complex organic molecules occur in space, so the question is how they were delivered to the planet’s surface,” Gerhard Schwehm of the European Space Agency told The Sunday Times. “Comets could have done that and so helped to kick-start life.” via Forbes.

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