"A multi-university research team of astronomers have examined data from NASA’s Kepler space telescope, and discovered a solar system where the planets orbit the sun in ways that are very similar that planets in our own solar system do. This is a contrast from many of the exoplanets discovered using Kepler, which exhibit much more bizarre orbital behavior.
This effort was led by Roberto Sanchis-Ojeda, a physics graduate student at MIT. In a press release, he explains that ”[i]n our solar system, the trajectory of the planets is parallel to the rotation of the sun, which shows they probably formed from a spinning disc. In this system, we show that the same thing happens.”
The solar system the team discovered is about 10,000 light years from Earth. Its sun, Kepler-30, is similar in mass and brightness to our own sun. So far, the research team has identified three planets circling Kepler-30, all of which orbit the star in the same plane."
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I suspect that most solar systems with inhabited spheres will eventually be discovered to run in the same dependable way that our system does...there should not be too much disruption or bizarre behaviors, I would think, if life is to evolve safely.
And from The Urantia Book:
41:10.2 The majority of solar systems, however, had an origin entirely different from yours, and this is true even of those which were produced by gravity-tidal technique. But no matter what technique of world building obtains, gravity always produces the solar system type of creation; that is, a central sun or dark island with planets, satellites, subsatellites, and meteors.
See: ORIGIN OF INHABITED WORLDS