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What’s 250 Million Light-Years Big, Almost Empty, and Full of Answers? - Issue 16: Nothingness

What’s 250 Million Light-Years Big, Almost Empty, and Full of Answers? - Issue 16: Nothingness

nautil.us - By Matthew R. Francis Illustration by Serge Bloch August 7, 2014

The darkest hole in the universe lies near the constellation Boötes, the plowman of the northern sky. This region, called a void, is 250 million …

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