Figure 24. Simulation of spirals of land snail shell (left) and the Medicago Orbicularis seed pod (right) by ROTASE model

From

Spirals and Rings in Barred Galaxies by the ROTASE Model

Hongjun Pan

International Journal of Physics. 2021, 9(6), 286-307 doi:10.12691/ijp-9-6-5