News tagged with early universe

Missing Milky Way dark matter

Although dark matter is inherently difficult to observe, an understanding of its properties (even if not its nature) allows astronomers to predict where its effects should be felt. The current understanding ...

Nov 09, 2010 4.9 / 5 (11) 7

Ripples in the cosmic background

( -- The universe was created 13.73 billion years ago in a blaze of light -- the big bang. We also think that, about 380,000 years later, after matter (mostly hydrogen atoms) had cooled enough ...

Sep 07, 2010 4.6 / 5 (21) 5 | with audio podcast

Could dark baryons explain dark matter?

( -- "The prevailing belief about dark matter particles is that they should be about 100 or more times heavier than protons," Subir Sarkar tells "However, we were thinking about the possibility of lig ...

Jul 20, 2010 4.6 / 5 (27) 18 | with audio podcast feature

Insights into early star formation

Merging beams of hydrogen atoms and hydrogen ions to create molecular hydrogen in the lab helps shed light on star assembly in the early universe, a U.S. and European research team reports in the July 2 issue of Science.

Jul 01, 2010 4.3 / 5 (3) 0

Explained: Quark gluon plasma

For a few millionths of a second after the Big Bang, the universe consisted of a hot soup of elementary particles called quarks and gluons. A few microseconds later, those particles began cooling to form protons ...

Jun 09, 2010 4.5 / 5 (22) 0 | with audio podcast