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All planets orbit in almost the same plane
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(ecliptic, AKA Zodiac)
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Almost all motion is counterclockwise as seen
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from the north:
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All planets orbit in this direction
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*Almost* all planets spin in same direction
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with axes more-or-less perpendicular to ecliptic
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Regular moons (like Galilean satellites and our
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own moon) orbit in this direction too
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Planets are regularly spaced
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steps increasing as we go outward
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