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Comet Panstarrs as seen from Upper ferntree Gully, VIC, Australia, on March 2, 2012. The comet has now moved into the Northern Hemisphere sky. Photo credit: Chris Samuel

Comet Panstarrs as seen from Upper ferntree Gully, VIC, Australia, on March 2, 2012. The comet has now moved into the Northern Hemisphere sky. Photo credit: Chris Samuel

Bruce McClure

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