Panel a: number density of the theoretical radiants within the space angles of size 1° × 1°. With respect to the maximum number density, N, the number densities are divided into eight levels, corresponding to intervals delimited by 0, N∕8, 2N∕8, …, N; the seven most numerous intervals are color-coded according to the legend in the plot. The model for tev = 8 kyr and β = 0.007 is used as an example. Panel b: radiants of all Earth-approaching particles in the model.
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