“Once in a Civilization” Comet to Zip past Earth Next Year

14/10/2012 06:28
Once in a Civilization
As it flares out of the distant Oort Cloud, the newly discovered comet C/2012 S1 (ISON) appears to be heading on a trajectory that could make for one of the most spectacular night-sky events in living memory.

Why is this comet expected to be so unique?

Two reasons here.


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By Don Sinclair