It is as inevitable as the rising of the Sun and the turning of the tides.
, could send an asteroid on a trajectory that in a few thousand years ends up intersecting the Earth.
The astronomers studied the closest possible encounter between the known hazardous NEOs and the Earth. They particularly examined how this closest distance changes over the course of hundreds and thousands of years. They did this through a series of simulations that mapped out as many possible orbital trajectories as possible given uncertainties in the current orbital positions and velocities of the NEOs.
France Dernières Nouvelles, France Actualités
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