Based on the nebular theory as it explains our own solar system, which of the following should we expect to be true for other star systems?

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Based on the nebular theory as it explains our own solar system, here are the following that we should expect to be true for other star systems:
-Planetary systems should be common.
-Other planetary systems should have the same two types of planets: terrestrial and Jovian.
-Planetary systems should generally have all planets orbiting in nearly the same plane.
-Jovian planets always form farther from their star than terrestrial planets.
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