• Ajax competitor
• Ajax rival
• Astral apparition & defunct Mercury
• Astronomer's observation
• Astronomical iceball
• Bad omen, perhaps
• Bill Haley backer
• Bill Haley bandmate
• Blitzen colleague
• Body that orbits the sun and may have a long tail
• Celestial body
• Celestial body with a tail
• Celestial firework
• Celestial ice ball
• Celestial object with a tail
• Celestial orbiter
• Celestial sight
• Celestial sighting
• Celestial streaker
• Celestial transient
• Celestial visitor
• Christmas reindeer
• Cleaning brand
• Cleanser brand
• Cleanser or a reindeer
• Cleanser with the old slogan Nothing can hold a can to...
• Cupid neighbor?
• Cupid's friend
• Cupid's mate
• Cupid's partner
• Cupid's teammate
• Cupid's yokemate
• Dancer associate
• Dancer's coworker
• Dancer's mate
• Dancer's partner
• Dancer's peer
• Dancer's sidekick
• Dancer's teammate
• December night sight
• Deep Impact menace
• Deep Impact's target
• Doomsday cause, maybe
• Eponymous 1987 album Frehley's ___
• Finish last on Jeopardy!
• Flier with Cupid
• Full House dog
• Hale-Bopp
• Hale-Bopp e.g.
• Hale-Bopp or Kohoutek
• Hale-Bopp, for example
• Hale-Bopp, for one
• Halley discovered one
• Halley observation
• Halley's
• Halley's ___ (celestial visitor)
• Halley's discovery
• Halley's namesake
• Halley's phenomenon
• Halley's, for example
• HALLEY'S, FOR ONE
• Heavenly body
• Heavenly body with a tail
• Heavenly streaker
• High-flying reindeer
• Hyakutake, for one
• It reaches aphelion
• Joint Shea athlete?
• Josephine's cleanser
• Kitchen cleanser
• Kohoutek, e.g.
• Kohoutek, for one
• Member of Bill Haley's band
• Member of Santa's team
• Member of the Donner party?
• MEMBER OF THE SET
• Moore flier
• Night sky streaker
• Nocturnal streaker?
• Object with a tail
• OBTAINED
• Old Mercury model
• One of a Christmas octet
• One of Bill Haley's group
• One of Santa's reindeer
• One of Santa's sleigh team
• One of Santa's team
• One of St. Nick's team
• Oort cloud object
• Orbiter with a tail
• Paul Simon's St. Judy's ___
• Periodic visitor
• Procter & Gamble brand
• Rare sky sight
• Reindeer name
• Rival of Ajax
• Rudolph's team member
• Schwassmann-Wachmann, e.g.
• Shoemaker-Levy 9 e.g.
• Sky flier
• Sky traveler
• Sleigh-puller of note
• Sleighmate of Cupid
• Sleighmate of Vixen
• Solar system transient
• Space streaker
• Space traveler
• Space-traveler with a tail
• Steamboat built by Henry Bell in 1812
• Streaker in space
• Streaker in the night sky
• Streaker in the sky
• Streaker seen at night
• Streaker with a big tail
• Streaker with a tail
• Streaker, of sorts
• Superman's super horse
• Tailed orbiter
• Tailed traveler above
• Telescope view
• Temple-Tuttle, e.g.
• Theme of this puzzle
• Threat in Deep Impact
• Under-the-sink brand
• Verne subject
• Vixen teammate
• Yokemate of 1A
• (astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit
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