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BILL NAPIER PROFESSOR
Giant comets may pose danger to life on EarthThe giant comets, termed centaurs, move on unstable orbits crossing the paths of the massive outer planets Jupiter, Saturn, Uranus and Nept...- Huge asteroid to zoom past Earth at 37,000 kphAny impact would trigger devastating changes in the climate, earthquakes and tsunamis leading to the eradication of entire communities.
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