out the wave into those photons. >> this is exciting. this telescope is going to produce pictures. will these photographs be discern ibl when we look at them or is it like an x-ray only a doctor will be able to understand? >> you know, you make a really good point there. astronomers are good at using what we call false color to make light invisible to human eyes look like something we would expect. we have x-ray telescopes, gamma ray telescopes, infrared, radio, all of these invisible to our eye but we make these beautiful images. here is the other thing that webb is going to do. we have a satellite up right now called test. it is finding planets around all the nearest stars. but it can't tell you whether there is life on those stars. that requires webb's instrument