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Persistent Evidence of a Jovian Mass Solar Companion in the Oort Cloud

1 May 2010, 01:32 UTC
Persistent Evidence of a Jovian Mass Solar Companion in the Oort Cloud
(200 words excerpt, click title or image to see full post)

Nemesis is a hypothetical hard-to see a red dwarf star or brown dwarf, orbiting the Sun at a distance of about 50,000 to 100,000 AU (about 1-2 light years), somewhat beyond the Oort Cloud. Could this even be true? This star was originally postulated to exist as part of a hypothesis to explain a perceived cycle of mass extinctions in the geological record,
which seem to occur once every 26 million years or so. In addition,
observations by astronomers of the sharp edges of Oort clouds around
other binary (double) star systems in contrast to the diffuse edges of
the Oort clouds around single-star systems has prompted some scientists
to also postulate that a dwarf star may be co-orbiting our sun. There now may be more evidence to support this hypothesis!Click Persistent Evidence to read the article

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