"Zoom from the edge of the universe to the quantum foam of spacetime and learn the scale of things along the way!" [more inside]
posted by Potomac Avenue on Jun 27, 2011 - 28 comments

The ancient Hebrew Conception of the Universe. Mayan Interdimensional Star Map. A scale model of the orbits of the planets in our solar system. More by Michael Paukner (via).
posted by Artw on Jul 14, 2010 - 28 comments

"You have no idea how big that is. This is giant on a scale where it's not just that we can't see what's doing it; it's that the entire makeup of the universe as we understand it can't be right if this is happening."
posted by WCityMike on Sep 1, 2009 - 84 comments

Welcome to the Universe - III: The Size of Things . . .we take a breif trip through the Solar System and beyond to see the size of the Universe. A youtube video by AndromedasWake about the scale of the Universe.
posted by nola on Jul 8, 2009 - 20 comments

Exit Mundi's thoughts on the latest anticipated apocalypse: the coming apocalypse in 10,000,000,000,000,000,000,000,000,000,000,000, 000,000,000,000,000,000,000,000,000,000,000,000, 000,000,000,000,000,000,000,000,000,000 A.D.. (No kidding.) [more inside]
posted by WCityMike on Jan 3, 2009 - 79 comments

Astronomers find a giant hole a billion light years across & located 8 billion light years away from us. They believe it could be evidence of another Universe at the edge of ours.
posted by scalefree on Nov 27, 2007 - 53 comments

The Horizon Simulation 70 billions particles : a new world record for a large scale simulation of the universe. [more inside]
posted by bru on Sep 18, 2007 - 29 comments

Misconceptions about the Big Bang
posted by Gyan on Feb 23, 2005 - 39 comments