Biomarkers of Microbial Life Detected on Neptune Sized Water World
by Brian Wang from NextBigFuture.com on (#6EV1J)
NASA's James Web found trace of dimythyl suflide (DMS) in th atmosphere of exoplanet K2-18b and DMS is a biomarker of life. K2-18b's atmosphere consists of mainly hydrogen, along with small amounts of methane and carbon dioxide. On Earth, the DMS molecule is only associated with microbial life. We have to wait for the existence ...