- - Boundary of a black hole
- - Boundary marking the limits of a black hole
- - Black hole's boundary / Despite the fact that [split]
- - (In astronomy) notional boundary of a black hole — viz not hereon (anag)
- - (In astronomy) boundary of a black hole — no Heinz voter (anag)
- - 1997 space horror film (letters 5-8: 2011 thunder god film)
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