Possible names

Circular scientific concepts

Benzene Armoatic hydrocarbon. A cyclical arragenemnt of carbon atoms.
Cassini division The space between the the A and B ring of Saturn.
Equator Self explanatory.
Closed time-like curve
Calendar
Kondratiev waves Hipothetised economic cycles.
Milankovitch cycles
Sunspot cycle
Cyclical cosmology

Others

Used

Möbius strip (v0.1.0)
Jörmungandr (v1.0.0)