Newplanetsarenowbeingdiscoveredoutsideoursolarsystemonaregularbasis,andthesestrangenewworldsareforcingscientiststorewritethehistoryofourownsolarsystem.Farfromasimplestoryofstableorbits,thecreationofoursolarsystemisataleofhellfire,chaosandplanetarypinball. It'samiracleourEarthishereatall.
