0
votes
0answers
20 views

Does dark energy bring both universe curvature and expansion?

These are Basic questions . Does dark energy bring universe curvature for both sides of the Minkowski space's future and past to shape the de-Sitter space? Or just the single side curve? What it ...
4
votes
1answer
33 views

Open Big Bang-less universe?

This came up in discussion around a class I'm taking. For a Universe with $\Lambda$ and matter contributions to energy density (and implicitly curvature, but no radiation), can you have a universe ...
3
votes
1answer
247 views

Curvature, Omega, the Flatness problem, and the evolving shape of the universe

I'm a little confused by this: http://en.wikipedia.org/wiki/Flatness_problem Which seems to imply the universe is more curved now than it was soon after the Big Bang. Look at the graph on the right ...