Black holes
Sir, — It was reported (“The Press,” March 7) that a black hole was discovered 10 billion light-years away that was thought to be 100,000 light-years across and devouring stars at the rate of one a week. The existence of black holes is still theory but if they do exist they are considered to be stars that have undergone gravitational collapse, the matter condensing to such where even light itself cannot escape. The question I wish to put forward is this. If a black hole has grown to where it is 100,000 lightyears across, and that is becoming quite big, I am wondering if it is possible for the black hole to collapse like the star that resulted in its creation in the first place? A body of that size must have something taking place at its centre? — Yours, etc., BRUCE HOOPER. March 26, 1979.
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Press, 2 April 1979, Page 18
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146Black holes Press, 2 April 1979, Page 18
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