# Could time loop back?

**Could time loop back on itself?**

Gödel’s rotating universe allows paths that return to their own past. It is a solution to the equations that does not describe our universe, and whether anything like it could exist is not known.

Connects to:
- [Gödel’s rotating universe](https://mapideas.org/i/ti_godelmetric)
- [Gödel](https://mapideas.org/i/godel)
- [closed loops](https://mapideas.org/i/tr_loops)

Sources:
- [Wikipedia: Closed timelike curve](https://en.wikipedia.org/wiki/Closed_timelike_curve)

Source: https://mapideas.org/i/q_time_loop · open on the map: https://mapideas.org/#q_time_loop