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Solar system may contain 1,000 planets, astronomer says
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SEATTLE -- The solar system may contain about 1,000 planets, not
just the nine that are now known, according to a new theory presented
here yesterday by astronomer Alan Stern of the University of
Colorado.
Untold numbers of Pluto-sized planets may have orbited among the
known planets after the solar system's birth almost 5 billion years
ago and now may circle so far away from the sun that they have yet to
be detected, Stern told a meeting of the American Astronomical
Society.
A...
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The solar system.(web services)(Brief Article)
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A rocky start: pinning down the time of the solar system's hurly-burly birth.
Science News
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The Christian Science Monitor
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