Down to Earth - - COVER STORY -

Is there life out there?

RE­SEARCHERS HAVE de­vel­oped a new mod­el­ing tech­nique that gives a clearer sense of the chem­istry of stars, re­veal­ing the con­di­tions present when their plan­ets were formed. The sys­tem could cre­ate a new way to as­sess the hab­it­abil­ity and bi­o­log­i­cal evo­lu­tion pos­si­bil­i­ties of plan­ets out­side our so­lar sys­tem. The study will an­a­lyse around 800 stars, fo­cus­ing on their ra­tio of car­bon to oxy­gen, and mag­ne­sium to sil­i­con. Astro­phys­i­cal Jour­nal, Au­gust 24

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