When organic materials are subject to high temperatures in the absence of oxygen, they break down through what is known as pyrolysis. Sometimes this is desirable, such as in cooking, thermal cleaning, and various forms of energy production. Other times, it can be detrimental, such as in house fires. Research is currently looking into whether organic molecules formed in space could have arrived on earth on an asteroid, and somehow escaped degradation through pyrolysis. If plausible, this could bring us closer to explaining the origin of life on earth.
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