Related Clues:
- Astronomer's observation
- Space streaker
- Streaker with a big tail
- Astronomer's find
- Streaker seen at night
- Dancer's teammate?
- One seen streaking
- Sleighmate of Cupid
- Christmas reindeer
- Part of a celestial shower
- Earth threat in some sci-fi films
- Finish last on 'Jeopardy!'
- Reindeer name
- Halley's __ (celestial visitor)
- Orbiter with a tail