Example sentences of "a [adj] hole at the [adj] " in BNC.

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1 Make a larger hole at the other end by working outward around the pin hole .
2 In the mid-1970s an argument for the existence of a black hole at the Galactic Centre came from the discovery of a γ -ray line at 511keV ( ref. 78 ) attributed to the annihilation of electrons and positrons from the general direction of the nucleus .
3 The search for a black hole at the Galactic Centre remains inconclusive at present .
4 Some astronomers have suggested that the energetic activity results from matter accreting onto a black hole at the very centre with a mass as much as several million times that of the Sun .
5 Cut a small hole at the bottom point and push the green covered pencil or stick through the hole for about 2cm ( Fig 3 ) .
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