Skywatchers see debris from  comet

The trails should be visible with telescopes with at least an 11-inch (30-centimeter) aperture and CCD sensors.

The coma of comet 17/P Holmes grew temporarily broader than the sun after its spectacular outburst in 2007.

The usually unimpressive comet 17P/Holmes delivered the most stunning cometary outburst yet seen.

. This event's debris will be visible to amateur telescopes in the Northern Hemisphere this month.

Markku Nissinen, a Finnish astronomer, recalls the events of nearly 15 years ago.

when skywatchers first observed the comet's 2.1-mile-wide (3.4-kilometer) strong brightening

The brightness of the comet has increased a million times.

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