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Asked by DiTGM to Peter on 5 Nov 2016. This question was also asked by 435pnug33, Vickyedwards.
Question: How long have you looked at black holes?
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Asked by DiTGM to Peter on 5 Nov 2016. This question was also asked by 435pnug33, Vickyedwards.Question: How long have you looked at black holes?
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