> While the Big Ring appears as an almost perfect ring on the sky, analysis by Ms Lopez suggests it has more of a coil shape - like a corkscrew - with its face

> While the Big Ring appears as an almost perfect ring on the sky, analysis by Ms Lopez suggests it has more of a coil shape - like a corkscrew - with its face aligned with Earth. I wonder if there are other structures, but we can’t (easily?) tell because of how they are aligned with Earth.