If we know enough to say the solar system is a filigree construction, we might reasonably assume we know where all its bits are. But lurking in the solar system's dark recesses, rumour has it, is an unsighted world - Planet X, a frozen body perhaps as large as Mars, or even Earth is going to collide with our planet somewhere in 2012/13.
One of the most respected science journals, Nature, reported that three-quarters of the Earth's species are wiped out every 62 to 65 million years. It's been 65…
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Posted on May 9, 2009 at 6:47pm —
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its an honor to have you here sir