Answer: ECLIPSE

AnswerCrossword Clue
ECLIPSESun block?
ECLIPSEHeavenly phenomenon.
ECLIPSESurpass.
ECLIPSEEvent of March 7, 1970
ECLIPSESky phenomenon
ECLIPSEObscure
ECLIPSEMake obscure
ECLIPSECelestial phenomenon
ECLIPSELeave in the shade
ECLIPSEShow up
ECLIPSEDarkening
ECLIPSECover-up of astronomical proportions
ECLIPSECover-up at the highest levels?
ECLIPSETower above
ECLIPSEDwarf
ECLIPSECelestial phenomenon.
ECLIPSECover-up witnessed by millions?
ECLIPSEShadow maker
ECLIPSECompletely surpass
ECLIPSESolar or lunar event
ECLIPSELeave in the shade?
ECLIPSEExceed in importance
ECLIPSELunar phenomenon
ECLIPSESolar event
ECLIPSETemporary darkening
ECLIPSEMitsubishi model
eclipseto obscure
eclipseto obscure (to make indistinct)
eclipseloss of splendor or status
eclipsethe blocking of the light of one heavenly body by another
ECLIPSEOvershadow
ECLIPSEPut to shame
ECLIPSEDarkness at noon?
ECLIPSEIntervention, of a sort
ECLIPSESurpass
ECLIPSEOne on 9-22-2006 had a central duration of 7 minutes, 9 seconds
ECLIPSEMoonlight blockage
ECLIPSELunar or solar event
ECLIPSEIt may leave you in the dark
ECLIPSECelestial event