Did the solar system 'bounce' finish the dinosaurs?

The sun’s movement through the Milky Way regularly sends comets hurtling into the inner solar system – coinciding with mass life extinctions on earth, a new study claims.

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<p><a href="http://www.physorg.com/news128945361.html">Did the solar system 'bounce' finish the dinosaurs?</a></p> <p>The sun’s movement through the Milky Way regularly sends comets hurtling into the inner solar system – coinciding with mass life extinctions on earth, a new study claims.</p>