The Solar System Gets Crazier

Posted by Chris Parker
Mar 31 2006

A swath of space beyond Neptune is getting stranger all the time as astronomers find an ever-more diverse array of objects in various orbits and groupings.

A pair of discoveries this month along with a handful of others in 2005 have begun to reveal what some astronomers long suspected: The outer solar system contains a dizzying array of round worlds on countless odd trajectories around the sun, often with multiple satellite systems.

The problem is, current theories of the solar system’s formation and evolution can’t account for it all.

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