Sign In

Communications of the ACM

ACM News

2 Futures Can Explain Time's Mysterious Past

View as: Print Mobile App Share: Send by email Share on reddit Share on StumbleUpon Share on Hacker News Share on Tweeter Share on Facebook
Cosmic structure

In the evolution of cosmic structure, is entropy or gravity the more dominant force? The answer to this question has deep implications for the universe's future, as well as its past.

Credit: NASA; ESA; G. Illingworth, D. Magee, and P. Oesch, University of California, Santa Cruz; R. Bouwens, Leiden University; and the HUDF09 Team

Physicists have a problem with time.

From Scientific American
View Fulll Article



No entries found

Sign In for Full Access
» Forgot Password? » Create an ACM Web Account