Four, each of the Gas Giants (Jupiter, Saturn, Uranus and Neptune)
The inner planets, also known as rocky or terrestrial planets, do not have significant ring systems.
Each of the four outer gas planets has a ring system. These four outer planets are Jupiter, Saturn, Uranus and Neptune.
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Four planets have a ring system * Jupiter * Saturn * Uranus * Neptune
There is no ring of planets between them it's astroids and the dwarf plant Ceres.
Planets are not rings, of anything.
Saturn has the largest ring systems, but both Jupiter and Uranus are known to have partial rings.
The four inner, rocky planets are also known as the terrestrial planets. These are; Mercury, Venus, Earth and Mars. The inner planets all have a clear solid surface, unlike gaseous planets. The inner planets do not have a ring system. The inner planets are of similar densities.
The two planets between the Sun and the Earth are Mercury and Venus. As of June 2014, neither of these planets have known rings.
there is only one planet with a ring round it, Saturn
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no, only gas planets have rings except Pluto