Astronomers have discovered the largest known structure in the universe, a clump of active galactic cores that stretch 4 billion light-years...
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Cosmic Bubble Powered by One of the Most Massive Known Black Holes in the Universe
black holes theoretical physics & sciency stuff
Supermassive black hole
black hole singularity
Big Bang Nixed --"Our Universe Evolved from the Black Hole of a Collapsed 4-D Star"
Cassini Sees Sunny Seas on Titan