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Is there any life high up in earth's atmosphere



The atmosphere is a mixture of gases that protects our planet and makes life possible, but whether life can exist high above the Earth's surface is up for debate. While microscopic organisms have been reported as high up as 77 kilometres, there is doubt over how they got there and whether they can grow or divide in such dry and cold conditions.

These microorganisms could have been carried into the atmosphere by storms and hurricanes, for instance. As many experiments date back to the 1930s, the results need verifying.

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