Well, Einstein is ;) But yeah, for the sake of the analogy we're talking about a... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

Cushman on July 24, 2011 | parent | context | favorite | on: NASA finds water reservoir equivalent to 140 trill...

Well, Einstein is ;) But yeah, for the sake of the analogy we're talking about a 2-d universe which is the surface of the balloon, nothing else exists.

sliverstorm on July 24, 2011 [–]

So objects in the Universe are not traveling because they have velocity, rather, "space itself" is expanding?

Cushman on July 24, 2011 | [–]

I don't think I understand your question— both are true?

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact