(Phys.org) —Cosmologist Christof Wetterich of the University of Heidelberg has uploaded a paper to the arXiv server in which he claims it's possible that the theory of expansion of the universe might ...
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Was Einstein wrong? The universe may end after all
But new studies suggest that one of his most famous ideas, the cosmological constant, may not be fixed after all. If true, it could mean the universe is destined to collapse rather than expand forever ...
An expanding universe complicates this picture just a little bit, because the universe absolutely refuses to be straightforward. Objects are still emitting light, and that light takes time to travel ...
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Why most of the universe has already disappeared (from our perspective)
When people picture the universe, they imagine everything still out there, sitting in space waiting to be discovered. The truth […] ...
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