A tiny sun and moon spin around them, on a complicated orbit to induce seasons, so probably nowhere else in the multiverse is it sometimes necessary for an elephant to cock a leg to allow the sun to go past. Through the fathomless deeps of space swims the star turtle Great A’Tuin, bearing on its back the four giant elephants who carry on their shoulders the mass of the Discworld. between A'Tuin and the Discworld), it also seems to periodically orbit the World Turtle as well. In earlier works its orbit is described as being ' complicated' and although the strong inference is that while the sun does periodically travel under the disc (e.g. In the novels it's not entirely apparent how the sun (and moon) work in terms of celestial mechanics.
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