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No need to invoke aliens. We're seeing these now because our ability to find smaller objects in the solar system has improved rapidly over the last few decades,
by wcoenen 7y ago
No need to invoke aliens. We're seeing these now because our ability to find smaller objects in the solar system has improved rapidly over the last few decades, as is evident from this animation of asteroid discoveries: https://www.youtube.com/watch?v=BKKg4lZ_o-Y https://www.youtube.com/watch?v=BKKg4lZ_o-Y