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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Celestial phenomenon. 6 letters:

NEBULA: Celestial phenomenon.
ECLIPSE: Celestial phenomenon.
SUNSPOT: Celestial phenomenon.
NOVA: Celestial phenomenon
SOLARECLIPSE: Celestial phenomenon.
PARALLAX: Celestial phenomenon