How to Measure the Mass of the Rings

There's no fundamental difference between what we can tell with like a telescope here on Earth versus something we send out to get a closer look. You can resolve these things better just because you're closer up so you don't need like as big a lens. We can also understand the distribution of the rings, like where the mass is in the ring and build models to see like, is it stable? Could it hold itself together? Could it have developed into this over time?" For each ring, the crucial thing is to get as much information as possible, and then to build these models to try to explain what we see," he said.