Science
The terrifying reality of black holes – AlterNet
by Chris Impey, University of ArizonaHalloween is a time to be haunted by ghosts, goblins and ghouls, but nothing in the universe…

by Chris Impey, University of Arizona
Halloween is a time to be haunted by ghosts, goblins and ghouls, but nothing in the universe is scarier than a black hole.
Black holes regions in space where gravity is so strong that nothing can escape are a hot topic…
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