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

Star Stories explains the life and death of stars using a multimedia approach that incorporates images, animation, video and text. From the official website of the Nobel Foundation. Don't miss out on the other cool games . [more inside]
posted by ozomatli on Sep 25, 2008 - 6 comments

Are We All Really Just Disembodied Brains Floating in Empty Space? Recent mathematical results in the field of cosmology related to the Boltzmann's Brain Problem may point toward a peculiarly arbitrary universe in which, as improbable as it sounds, it's more likely than not. [more inside]
posted by saulgoodman on Jan 16, 2008 - 104 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

Good evidence that dark matter is for real.
posted by kliuless on Aug 16, 2006 - 57 comments

Before the Big Bang - way, way out of my depth, but I thought this comment was intriguing: "The paper as published, along with a longer follow up paper, looks to my untrained eye a nearly complete quantum gravitation theory, which is an exciting prospect in itself. However, as with all physical theories, we will await for experimental support before popping the cork." Here's some more on loop quantum gravity, spin networks, the big bang and ekpyrosis.
posted by kliuless on Apr 16, 2006 - 18 comments

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