How Do Moons Reveal New Exoplanet Insights? David Kipping

I kind of stumbled into moons a little bit by chance and that was really because I was writing a paper on the um the transit I was calculating the transit duration so how long does it take a planet to Transit its star and I was trying to come with a closed form solution for this problem it's just a geometry problem I'd made the first attempt of doing this with an eccentric orbit before then everyone had just for a circular orbit which seemed reasonable because the plants in the solar system were mostly circular so everyone assumed ex exop plants would be the same way but we were starting to get hints that actually exop plants can be quite eccentric so I generaliz the calculation and then I think the referee asked me or maybe I was thinking in my head at some point like what could make this calculation be wrong like where would where would the one of my assumptions be false and one of the assumptions was you know this capillarian orbit one way to get a non-cap Arian orbit would be if something was wobbling it and so that's where I started down this path of thinking about the moons and how that would change things and that got me excited because whenever you you know find a way to basically prove your idea is wrong that becom a way of detecting that thing and it's really just an extension there's a looking for a flaw in your theory to pick up on that piece of like this is a new thing we can look for but then there's also analogizing so you can take the analogy of okay we are detecting lots of planets by looking at wobbling stars that was the Prime primary method at the time people were detecting planets and so this is really just an extension of that it's saying well let's just take that same principle and apply it on a smaller scale and see what see what Falls out so yeah there's the there's you know I I really love talking to colleagues in other fields and other disciplines cosmologists but also you know totally other disciplines like chemistry and biology because you you hear about the way they're thinking about problems and you see so often in science that the the way problems are solved are transferable maybe you change the scale maybe you shifted axis but it's it's a lot of the same things being discovered multiple times which are really just mirrors of each other