News tagged with big bang

Distant super-luminous supernovae found

(Phys.org)—Two 'super-luminous' supernovae - stellar explosions 10 to 100 times brighter than other supernova types - have been detected in the distant Universe.

Nov 01, 2012
5 / 5 (6) 1 | with audio podcast

Climate: EU emissions down 2.5 percent in 2011

European greenhouse gas emissions fell by 2.5 percent in 2011 over 2010, as a mild winter and increase in renewable energy use offset a rise in coal consumption and economic activity, estimates released on ...

Sep 07, 2012
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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

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

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