Nder Ogustaaru 2011, kepti daga NASA, bana ko tokkitani lincitol meteorites heptii dow Lesdi, huulii kawte DNA e RNA (anndiraɗe adenine, guanine e ko nanndi nyole moolikuls), ɓoole mahirɗe ngeendam bana anndu ɗen ɗum, laatooma e waɗee to babal to yaasin estiraterestirialjum.