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CometISONcouldwellbethebrightestandmostspectacularcometforageneration.ItshouldappearabovetheeasternhorizonfromDecember2013asagloriousstreakacrossthesky.ISONhasbeentravellingtowardsthesunfortenthousandyearsandwillmakeonlyoneorbitthroughitscoronabeforedisappearingoffintotheoutersolarsystem.
Butaswellasprovidingagreat..bbb