Alien life search: Spotting atmospheric chemistry of alien worlds devoid of life

11 septiembre 2014

Astronomers searching the atmospheres of alien worlds for gases that might be produced by life can’t rely on the detection of just one type, such as oxygen, ozone, or methane, because in some cases these gases can be produced non-biologically, according to extensive simulations. Researchers have carefully simulated the atmospheric chemistry of alien worlds devoid of life thousands of times over a period of more than four years, varying the atmospheric compositions and star types.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/DCXe7DxEGF8/140911180735.htm

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