News tagged with big bang

Big Bang theory challenged by big chill

(Phys.org) -- The start of the Universe should be modeled not as a Big Bang but more like water freezing into ice, according to a team of theoretical physicists at the University of Melbourne and RMIT University.

Aug 20, 2012
3.4 / 5 (29) 87 | with audio podcast

Recreating a slice of the universe

(Phys.org) -- Scientists at the Harvard-Smithsonian Center for Astrophysics (CfA) and their colleagues at the Heidelberg Institute for Theoretical Studies (HITS) have invented a new computational approach ...

Aug 15, 2012
5 / 5 (12) 8 | with audio podcast

Earliest spiral galaxy ever seen: a shocking discovery

(Phys.org) -- Astronomers have witnessed for the first time a spiral galaxy in the early universe, billions of years before many other spiral galaxies formed. In findings reported July 19 in the journal Nature, the as ...

Jul 18, 2012
4.7 / 5 (40) 82 | with audio podcast

The Big Bang versus the 'Big Bounce'

Two fundamental concepts in physics, both of which explain the nature of the Universe in many ways, have been difficult to reconcile with each other. European researchers developed a mathematical approach ...

Jul 06, 2012
4.6 / 5 (27) 24

Alien earths could form earlier than expected

(Phys.org) -- Building a terrestrial planet requires raw materials that weren't available in the early history of the universe. The Big Bang filled space with hydrogen and helium. Chemical elements like silicon ...

Jun 13, 2012
5 / 5 (6) 5 | with audio podcast

The older we get, the less we know (cosmologically)

(Phys.org) -- The universe is a marvelously complex place, filled with galaxies and larger-scale structures that have evolved over its 13.7-billion-year history. Those began as small perturbations of matter ...

May 22, 2012
3.4 / 5 (18) 14 | with audio podcast