Icy comet could create spectacular show or disappointment
1 of 1
In this photo provided by NASA, this Hubble Space Telescope image taken on Oct. 9 shows the comet ISON's solid nucleus.
Photos: Faith communities ring bells, offer music & prayers, June 28
Photos: Diamond Head State Monument crater hike, June 28
Photos: Activists block TMT, June 25
More Photo Galleries »