(Credit: shutterstock) How can we distinguish between the population statistics of interstellar rocks and a fleet of spacecraft that target that inner Solar system? The answer is obvious: by the spatial distribution of their trajectories relative to the Sun. Whereas rocks arrive on random trajectories initiated near their parent stars, spacecraft aiming to probe the habitable zone around the Sun …
Read More »How to Distinguish a Population of Interstellar Rocks from a Fleet of Spacecraft? | by Avi Loeb | Sep, 2025
