News tagged with big bang

How old are the first planets?

To build a planet you need lots of rubble and that means lots of heavy elements – stuff more massive than atoms of hydrogen and helium. The elemental composition of the collapsing nebula that gave birth ...

Aug 31, 2012 4.8 / 5 (9) 10 | with audio podcast

Exploring space burps

(PhysOrg.com) -- Forget the Big Bang theory on the origins of the universe. University of Alberta physicist Greg Sivakoff is looking to find the secrets of the Big Burp theory.

Jan 16, 2012 4.1 / 5 (10) 7

A super cluster of galaxies

(Phys.org)—Most galaxies lie in clusters, groupings of several to many thousands of galaxies. Our Milky Way galaxy itself is a member of the "Local Group," a band of about fifty galaxies whose other large ...

Aug 28, 2012 5 / 5 (7) 22 | with audio podcast