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Besides stars, the United States Navy uses quasars as beacons. Quasars are distant galaxies with supermassive black holes, surrounded by ... X-Ray Flashes from a Nearby Supermassive Black Hole ...
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How the Sunday roast went from meagre to massive
From our grandparents’ humble offering to today’s fully-laden table, the average roast dinner has ballooned beyond ...
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How to line a round cake tin
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