http://www.astrobio.net/pressrelease/5547/gas-giant-planets-cling-close-to-their-stars#
July 9, 2013 - Astrobiology magazine
Gemini Observatory's Planet-Finding Campaign finds that, around many
types of stars, distant gas-giant planets are rare and prefer to cling
close to their parent stars. The impact on theories of planetary
formation could be significant.
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