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asteroid-belt × 33asteroids × 9
solar-system × 6
jupiter × 5
ceres × 3
the-sun × 2
the-moon × 2
orbital-mechanics × 2
dwarf-planets × 2
telescope × 1
gravity × 1
earth × 1
distances × 1
mars × 1
comets × 1
space × 1
planetary-formation × 1
tidal-forces × 1
meteor × 1
mercury × 1
size × 1
observatory × 1
meteorite × 1
dust × 1
formation × 1