the study of astro particles is still a very young science we now know that high energy particles bombard us relentlessly but do these particles actually impact on our lives. and could cost make rays provide the link between life on earth and distant stars. we continue our journey to find the answers to those questions. to understand the connection between cosmic rays and life we visit the spanish center for astrobiology and madrid. it works closely with nasa the u.s. space agency. get more money u.s. cargo uses this vacuum chamber to create conditions like those found in space. he