Fig. 7
Evolution as a function of time (color coded as a function of the epoch) of the descending nodal footprint representing the η Aquariids (top) and ascending nodal footprint representing the Orionids (bottom) of a simulated trail ejected in 1404 BCE. The particle sizes are between 0.1 and 1 mm. The Earth’s orbit in 2020 CE, computed in the barycentric frame, is represented with a blue line.
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