11 may. 2018

An Exoplanet's Seasons may Offer Researchers Signs of Extraterrestrial Life

The current search for life on planets outside our own solar system consists of analyzing the chemical signatures in their atmospheres, transmitted via the light from the planet's host star as it either shines through, or is reflected off of, those atmospheres. Researchers look for gases that could be produced by biological processes, such as methane or oxygen, some sort of sign that something is metabolizing on a planet far, far away.

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