The difference that exists between the inner and outer planets is - D. None of the inner planets have rings, whereas all the outer planets have rings.
Planets in the solar system are divided into two groups on the basis of distance from the sun are Inner planets and outer planets. The inner planets are closer to the sun compared to the outer planets.
Inner planets:
- include four planets - Mercury, Venus, Earth, and Mars.
- Also called terrestrial planets
- small and rockier
- very less or no natural satellites
- No rings around them
Outer planets:
- include Jupiter, Saturn, Uranus, and Neptune
- called gaseous planets
- larger and gaseous (hydrogen or helium)
- numerous satellites
- found rings around them.
Thus, the correct option: D. None of the inner planets have rings, whereas all the outer planets have rings.
Learn more about planet ring systems:
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