let's get more now with amy lynn thompson, a science journalist at space dot com in orlando, florida. welcome to the usa. so why are we actually doing this, given that the nasa mission to jupiter, that hasn't left yet will actually arrive at its intended target before the european space agencies? yes. so this kim's every one at nasa, iraq. i'm the chance to simultaneously study 2 different moons that are orbiting jupiter. so nasa as europe a clipper mission will focus on europa and juice will focus on ganymede. and so they will be able to tell us a lot of different things about both of the moon's, including their potential for habitability. before we get on to the fun stuff and her by alien life, and whether or not it's, these moons are habitable. can you talk about the enormous costs involved? because as far as the big question is the cost of $1740000000.00, or is it worth it? yes. so jupiter is sort of like a mini solar system. and the hope is that the questions or the answers that we get from this mission will help answer questions about planetary formation. how the moon's form, an