Related Clues:

• The blotting out of a heavenly body
• Obscuring of one celestial body by another
• Throw into obscurity, outshine
• The obscuring of one celestial body by another
• The blocking of light of one heavenly body by another
• Throw into obscurity, perhaps the sun
• Outshine, throw into obscurity
• Over-shadow as the earth may the moon
• Obscure, as moon may the sun
• Admit one in order to be in control
• One celestial body obscuring another
• What the boss might do with a T-dome?
• Fastens together in ease, by the sound of it, as it's so obscure
• Sounds as if 'e gets the 9 across off when it gets dark
• Wildly anti, getting into 13 millennium 11? That's 8