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Inner planets and outer planets, Planets, dwarf planets & other…
Inner planets and outer planets
Similarities: Both of them orbit the sun, are celestial bodies, and revolve in elliptical orbits
Inner planets
Closer to the sun
Smaller in size
Rocky or terrestrial
Few or no moons
No rings
Thin and composed mainly of gases
Shorter orbital periods
Slower rotation
Weaker or absent
Outer planets
Farther from the Sun
Larger in size
Gaseous or gas/ice giants
Many moons, including large ones
Most have rings
Thick and composed mainly of hydrogen and helium
Longer orbital periods
Faster rotation
Strong magnetic fields
Planets, dwarf planets & other objects
Similarities: All orbit the sun and are in the outer space.
Planets
Generally spherical (shape
Clears their orbital paths
Larger in size than dwarf planets
Grativational force: sufficient to clear debris from orbits
Other objects
Varied shapes
Haven't cleared their orbits
Varies widely
Grativational force: Insufficient to clear debris from orbits
Dwarf planets
Generally spherical (shape)
Haven't cleared their orbits
Smaller in size than planets
Grativational force: Insufficient to clear debris from orbits