News tagged with big bang

When dark energy turned on (Update)

(PhysOrg.com) -- Some six billion light years distant, almost halfway from now back to the big bang, the universe was undergoing an elemental change. Held back until then by the mutual gravitational attraction ...

Mar 30, 2012 4.1 / 5 (20) 67 | with audio podcast

'Big crunch' or another 'Big Bang?'

Will the universe expand outward for all of eternity and end in a vast, dark, cold, sterile, diffuse nothingness? Or will the “Big Bang” — the gargantuan explosion that formed the universe 14 billion ...

Aug 16, 2009 3.7 / 5 (18) 77

Has PAMELA Already Seen Dark Matter?

(PhysOrg.com) -- Back in 2006, PAMELA (a Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics) was launched with the purpose of detecting cosmic radiation and looking for clues pointing ...

Aug 25, 2009 3.9 / 5 (17) 6 weblog