Today's good news is that whoever has to clean up Solar System will have an easy job: Lack of small debris in Kuiper belt

None of that tiny space rubble to sweep away, judging by snaps of Pluto's acne spots
The Solar System's Kuiper belt, a donut-shaped pile up of debris extending beyond Neptune, contains a surprisingly lack of small objects, judging from images of Pluto and its moon Charon.…