is that makes up most of our universe. and as you said, we can t actually see it. so how will euclid take photos of this thing we can t see? well, we see it through its influence on other things. so we see it through its influence on things we can see. so it s using a topic called. a methodology called weak gravitational lensing. and that s where the shapes of distant galaxies are perturbed as the light from them comes to us and passes through the dark matter between us. so we see it through its influence on other things, and if we get more and more galaxies, then we get a more and more accurate map of where that dark matter is and what it looks like. and what will the knowledge that s gained from this mission. what will it do in improving our understanding of our origins? well, we are fascinated about the universe we live in. ever since we ve been able to look up into the stars, we ve tried to understand.
bob nichol is professor of astrophysics at the university of surrey and has worked on the euclid telescope since its inception. i asked him about the aim of the mission. it s hoping to give us the next bit of the puzzle to what this dark universe really is. so as you alluded to, 95% of the universe is dark, it doesn t shine, and we have to observe it through other means. we know something about it, but we don t know all of the things about these dark substances in the universe. so euclid really is the next step in our discovery of what this stuff is that makes up most of our universe. and as you said, we can t actually see it. so how will euclid take photos of this thing we can t see? well, we see it through its influence on other things. so we see it through its influence on things we can see. so it s using a topic called. a methodology called weak gravitational lensing. and that s where the shapes
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