News tagged with early universe

Could dark baryons explain dark matter?

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

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

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

Probing the dark side of the universe

Advancing into the next frontier in astrophysics and cosmology depends on our ability to detect the presence of a particular type of wave in space, a primordial gravitational wave. Much like ripples moving ...

May 20, 2010
4.6 / 5 (15) 65 | with audio podcast

Quasar Dust in the Early Universe

(PhysOrg.com) -- Quasars are galaxies whose very bright cores are thought to contain massive black holes around which disks are actively accreting matter.

Mar 26, 2010
4.6 / 5 (8) 5

Seeing is believing

(PhysOrg.com) -- Whenever you look up at the stars you are looking back in time, as light from even our closest neighbour, Alpha Centauri, started its journey to Earth more than four years ago. It is a phenomenon ...

Mar 24, 2010
4.9 / 5 (11) 1