a more i'm john by professor phil bland the director of curtin space science and technology center in perth australia which is down under far away from here good to have you with us a couple of years ago a space probe landed on a comet and now we're chasing asteroids to mine for minerals sounds like science fiction how real is it. i think it's becoming much more relationally just over the last few years than i have a thought it would be interesting were on both. osiris rex missions it's great to be part of that. those who those private companies involved in this now and also in most major space agencies and what do we hope to find on an asteroid that we can't mine here on earth. well it's i mean there's a kind of a couple of flavors here to this we can find as you said the pace those heavy metals like iridium and and and and and ram you know platinum and things like that. but in a way it's kind of the support industries that we're interested in for those who need fuel and you need water and we can get that from places like ice on the moon all right but the moon isn't right next door a