Battleground Galactica

By Stephen Ornes
Apr 28, 2008 5:00 AMNov 12, 2019 5:59 AM

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The deeper that astronomers peer into the universe, the stranger and more extreme it seems. New instruments and techniques have recently uncovered a whole new set of cosmic superlatives: objects whose size, age, or behavior go beyond anything seen before. Here is a sampling of the latest record holders.

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