In the far future the expansion of space will carry every other galaxy beyond the reach of our telescopes, leaving the astronomers of that era with an empty sky and no way to ever discover that the Bi

Accelerating expansion will eventually push every galaxy beyond the Local Group past the cosmic horizon, erasing the three pillars of Big Bang evidence. As Krauss and Scherrer argued, future astronomers would reasonably conclude they live in a static, eternal galaxy. What that says about what we may have already lost.