that's 80 times slower than real life. the only thing is, he, like the rest of us, has to be hundreds of metres away when the rocket ignites. so i'm going to leave him to set the remote triggers and work out how his camera's not going to be incinerated, and we will come back later in the programme to see a rocket ignite like you have never seen before. nasa has been putting rockets into space since the 50s and increasingly it has been working with companies like firefly to deliver its stuff. mo has been finding out about its future plans with nasa's doctor kristinjohnson. and lift off of artemis i. the artemis moon mission signalled nasa's continued commitment to space exploration. what recent technological advances do you think make sustainable settlement on mars a realistic proposition?