This is an image of Comet Kohoutek.
Courtesy of NASA
This is a full view of Comet Hyakatuke.
Courtesy of Hal Weaver (Applied Research Corp.), HST Comet Hyakutake Observing Team and NASA
This is an image of Comet P/Halley taken with the Halley Multicolor Camera on the ESA mission Giotto.
Courtesy of NASA/NSSDC
This is an illustration of Comet P/Shoemaker-Levy 9 and Jupiter.
Courtesy of H.A. Weaver, T.E. Smith (Space Telescope Science Institute) and J.T. Trauger, R.W. Evans (Jet Propulsion Laboratory), and NASA
Windows to the Universe Community