Answer: eclipses

AnswerCrossword Clue
ECLIPSESThey may leave you in the dark
ECLIPSESOvershadows
ECLIPSESSolar or lunar events
ECLIPSESSurpasses
ECLIPSESSolar obscurations.
ECLIPSESEvents generally viewed indirectly
ECLIPSESLunar and solar events
ECLIPSESThey leave you in the dark
ECLIPSESThey occur during syzygies
eclipsesAn obscuring of the light from one celestial body by the passage of another between it and the observer or between it and its source of illumination
eclipsesA loss of significance, power, or prominence in relation to another person or thing
eclipsesA phase during which the distinctive markings of a bird (esp. a male duck) are obscured by molting of the breeding plumage