Black hole found

Metro Canada (Halifax) - - MOVIES - SEAN PLUM­MER

The idea of a black hole — a re­gion of space-time so dense that noth­ing, not even light, can es­cape it — has been around for cen­turies. But it was Univer­sity of Toronto re­searcher Charles Thomas Bolton who of­fered ir­refutable proof of its ex­is­tence in 1972.

Cygnus-x1 was the des­ig­na­tion given to the in­ter­stel­lar phe­nom­e­non, which lies at the cen­tre of our galaxy.

Bolton was later elected a mem­ber of the Royal So­ci­ety of Canada.

ISTOCK

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