News tagged with early universe

Earliest spiral galaxy ever seen: a shocking discovery

(Phys.org) -- Astronomers have witnessed for the first time a spiral galaxy in the early universe, billions of years before many other spiral galaxies formed. In findings reported July 19 in the journal Nature, the as ...

Jul 18, 2012
4.7 / 5 (40) 82 | with audio podcast

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

Most quasars live on snacks, not large meals

(Phys.org) -- Black holes in the early universe needed a few snacks rather than one giant meal to fuel their quasars and help them grow, according to observations from NASA's Spitzer and Hubble space telescopes.

Jun 20, 2012
4.8 / 5 (6) 1 | with audio podcast

No evidence for 'knots' in space

(Phys.org) -- Theories of the primordial Universe predict the existence of knots in the fabric of space - known as cosmic textures - which could be identified by looking at light from the cosmic microwave ...

Jun 13, 2012
4.9 / 5 (11) 24 | with audio podcast

The older we get, the less we know (cosmologically)

(Phys.org) -- The universe is a marvelously complex place, filled with galaxies and larger-scale structures that have evolved over its 13.7-billion-year history. Those began as small perturbations of matter ...

May 22, 2012
3.4 / 5 (18) 14 | 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

The JCMT celebrates 25 years on top of the world

The James Clerk Maxwell Telescope (JCMT) on Mauna Kea in Hawaii, is celebrating its 25th birthday this week. It first turned its dish to the heavens this week in 1987, and now, a quarter of a century later, ...

Apr 28, 2012
4.4 / 5 (5) 0 | with audio podcast

WISE mission sees skies ablaze with blazars

(Phys.org) -- Astronomers are actively hunting a class of supermassive black holes throughout the universe called blazars thanks to data collected by NASA's Wide-field Infrared Survey Explorer (WISE). The ...

Apr 12, 2012
4.9 / 5 (10) 1 | with audio podcast

A planetary system from the early Universe

A group of European astronomers has discovered an ancient planetary system that is likely to be a survivor from one of the earliest cosmic eras, 13 billion years ago. The system consists of the star HIP 11952 ...

Mar 27, 2012
4.5 / 5 (14) 13 | with audio podcast