News tagged with hydrogen gas

Making the first stars

(Phys.org) —The first stars in the Universe are believed to have formed only a few hundred million years after the big bang, about 13.7 billion years ago. They heated and ionized the pristine intergalactic ...

Nov 18, 2013
4 / 5 (9) 2 | with audio podcast

How the largest star known is tearing itself apart

(Phys.org) —An international team of astronomers has observed part of the final death throes of the largest known star in the universe as it throws off its outer layers. The discovery, by a collaboration ...

Oct 16, 2013
4.6 / 5 (41) 58 | with audio podcast

Young stars cooking in the Prawn Nebula

The glowing jumble of gas clouds visible in this new image make up a huge stellar nursery nicknamed the Prawn Nebula. Taken using the VLT Survey Telescope at ESO's Paranal Observatory in Chile, this may well ...

Sep 18, 2013
5 / 5 (7) 0 | with audio podcast

Microbes strip power from poo

EPSRC-funded scientists have developed a process using microbes which removes the need to use electricity to process sewage at treatment plants. The microbes can also be used to produce large quantities of ...

Sep 17, 2013
4.8 / 5 (5) 0

Writing the history of the 'Cosmic Dark Ages'

For millions of years after the Big Bang, there were no stars, or even galaxies to contain stars. During these "Cosmic Dark Ages," neutral hydrogen gas dominated the universe. When clouds of primordial hydrogen ...

Sep 02, 2013
4.6 / 5 (13) 23 | with audio podcast