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← Afterword from Lawrence Krauss' New Book - A Universe From Nothing

hfaber's Avatar Jump to comment 23 by hfaber

Krauss said that future civilizations will see galaxies fly away at a speed greater than light. He also said it's allowed by general relativity. He knows about this stuff, so I am prepared to accept this statement, but I would love a little bit of explaining.

Sat, 31 Dec 2011 15:48:02 UTC | #904057