News tagged with early stars

Fireworks in the early universe

Galaxies in the early universe grew fast by rapidly making new stars. Such prodigious star formation episodes, characterized by the intense radiation of the newborn stars, were often accompanied by fireworks ...

Sep 28, 2012 5 / 5 (2) 4

Hubble telescope unmasks ghost galaxies

(Phys.org) -- Astronomers have used Hubble Space Telescope to study some of the smallest and faintest galaxies in our cosmic neighbourhood. These galaxies are fossils of the early Universe: they have barely ...

Jul 10, 2012 4.1 / 5 (12) 2 | with audio podcast

Herschel reveals galaxy-packed filament

(Phys.org) -- A McGill-led research team using the Herschel Space Observatory has discovered a giant, galaxy-packed filament ablaze with billions of new stars. The filament connects two clusters of galaxies ...

May 17, 2012 4.6 / 5 (9) 4 | with audio podcast

X-ray quasars, and a distance record

Quasars are thought to be galaxies whose bright nuclei contain massive black holes around which disks are actively accreting matter. The accretion process releases vast amounts of energy, often including a ...

Apr 30, 2012 3 / 5 (3) 0 | with audio podcast