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all of a sudden, it clicked in my head. wow, the international space station is a submarine in space. ..moon bots and moon dust. the surface is fine and powdery. i can pick it up loosely with my toe. you know, i think i ve seen that chap somewhere before. jfk: we choose to go - to the moon in this decade and do the other things, not because they are easy, but because they are hard. i neil armstrong: it s one small step for man. - ..one giant leap for mankind. 52 years ago, we laid our last footprint on the moon. as the crew of apollo 17 left the surface, they didn t know that gene cernan would be the last person to walk on another world for quite a while. we re on our way, houston. but now, in this decade, finally. ..we re going back. mission control: and lift off of artemis 1. nasa s artemis programme will, in the next year or two, return us to our neighbour. part of its mission to land the first woman and the first person of colour on the moon. another part to ....
and campaigning continues across the uk ahead of the general election injuly. it s expected that parties will set out their manifestos over the next week. now on bbc news, click. this week, we re heading into space to find out how we ll live, work and eat on the moon. we have space homes and a spacewoman. all of a sudden, it clicked in my head. wow, the international space station is a submarine in space. ..moon bots and moon dust. the surface is fine and powdery. i can pick it up loosely with my toe. you know, i think i ve seen that chap somewhere before. jfk: we choose to go - to the moon in this decade and do the other things, not because they are easy, but because they are hard. i neil armstrong: it s one small step for man. - ..one giant leap for mankind. 52 years ago, we laid our last footprint on the moon. as the crew of apollo 17 left the surface, they didn t know that gene cernan would be the last person to walk on another world for quite a whi ....
If we can source some of that from the moon and eventually from mars, that will allow us to bring more and to go more often. making our own fuel makes regular trips to and from the gateway space station much more viable. now, mining moon dust is called isru. and, because they love an acronym round these parts, the robot to do this will be called the isru pilot excavator, ipex. we had to really reinvent how you do excavation for doing mining on the moon, and eventually mars. the challenge is the technology we have for mining here on earth relies on a lot of mass and a lot of weight, right? the more steel you put on an excavator, the heavier it becomes and the better it digs. we can t launch something as heavy as we want on a rocket. it s still very expensive, right? so we have to reduce the mass ....
Of what we put on rockets. and then when you land it on the moon, it weighs one sixth of what it does here on earth, right? imagine, like, trying to dig as if you were on ice, right? it will just scoot across the surface. the scoop will not engage and you won t be able to collect anything. so the way the robot scoops up the dust is using this thing called a bucket drum. and it s got a kind of spiral in there. and if it turns it one way, it scoops the soil, which gradually works its way towards the middle and stays there. like that. and then when it wants to unload. ..it turns it the other way and it all comes out again. we put them on opposite ends of the robot and when it excavates, it s using both sets of drums at the same time, but they re digging in opposite directions. so one is pulling it that way and one is pulling it that way. right. ..and pulling itself down to the surface. one of the main dangers faced by extraterrestrial rovers is getting stuck. so, as an added bonus, ipex s ....
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