Discovery of dwarf planet, non-planetary rings is ‘just the tip of the iceberg’

March 29, 2014 2:37 PM

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It’s just the tip of the iceberg.

On Wednesday, scientists reported two discoveries: a dwarf planet far beyond Pluto’s orbit, and a set of rings encircling an asteroid-like object called Chariklo. The findings are spurring astronomers to rethink theories regarding forces beyond the known planets, which may lead to significant change...

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