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 ...

dateJul 20, 2010 in General Physics feature
shares0 comments 18

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.

dateJul 01, 2010 in Astronomy
shares0 comments 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 ...

dateJun 09, 2010 in General Physics
shares0 comments 0

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 ...

dateMay 20, 2010 in General Physics
shares0 comments 65

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.

dateMar 26, 2010 in Astronomy
shares0 comments 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 ...

dateMar 24, 2010 in Astronomy
shares0 comments 1