17-July-2007, 03:22 PM
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Established Member
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Join Date: Sep 2003
Location: Earth
Posts: 2,809
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Quote:
Originally Posted by Kullat Nunu
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Space.com: How Solar Systems are Organized:
Quote:
Alan Boss, a planetary formation theorist at the Carnegie Institution of Washington, called the results "reassuring."
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The two leading theories about how planets form-core accretion and disk instability-have problems making gas giants out at distances beyond 20 AU. "There just isn't enough disk mass out there unless the disk is implausibly massive," Boss told SPACE.com.
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Some recent studies, however, have suggested young gas giants might not be brighter than old ones as commonly thought. If this proves to be correct, it could mean remote Jupiters do exist but are just too faint to detect.
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So, the non-discovery is not bad news, nor we can't conclusively say that such planets don't exist.
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Science is a way of trying not to fool yourself. The first principle is that you must not fool yourself, and you are the easiest person to fool.
-- Richard Feynman
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