Findings:

• Halley's Comet
• long-period comet
• Comet: summer, 2061
• short-period comet
• Donati's Comet
• Biela's Comet
• Late at night on Ganymede, we whispered gruesome legends of the Comet Police
• The Comet Club
• Hyakutake comet
• I wanna see it when you find out what comets, stars and moons are all about
• Comet ISON
• The Shadow of the Comet
• Houston Comets
• Baileys Comet
• Off on a Comet
• Night of the Comet
• De Havilland Comet
• Ed Halley (user)
• Bill Haley and His Comets
• Comet Stone
• Baileys Comet 2
• Edmond Halley
• Electric Comets
• comet
• Comet Swift-Tuttle
• Halley Ice Station
• Comet in Moominland
• Buy one comet, get the second one FREE!
• Halley Came to Jackson
• Comet Empire
• Comet (user)
• Comet Hale-Bopp
• On the comet there will be much pie
• Vomit Comet
• Comet Kahoutek
• Comet Cursor
• Encke's Comet

If you Log in you could create a "Halley’s Comet" node. If you don't already have an account, you can register here.