News tagged with galaxy formation

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Galaxy winds

(Phys.org) —The most luminous galaxies in our universe are not particularly bright in the visible. Most of their energy output (which can be hundreds or even thousands of times more than our Milky Way's) ...

Sep 23, 2013
4.8 / 5 (5) 1 | with audio podcast

"Red nugget" galaxies were hiding in plain sight

In 2005 the Hubble Space Telescope spotted unusually small galaxies densely packed with red stars in the distant, young universe. They were nicknamed "red nuggets," not only because they are small and red ...

Sep 13, 2013
4.7 / 5 (17) 2 | with audio podcast

Feeding galaxy caught in distant searchlight

An international group of astronomers that includes UC Santa Barbara astrophysicist Crystal Martin and former UCSB postdoctoral researcher Nicolas Bouché has spotted a distant galaxy hungrily snacking on ...

Jul 04, 2013
4.3 / 5 (12) 16 | with audio podcast

Inseparable galactic twins

(Phys.org) —Looking towards the constellation of Triangulum (The Triangle), in the northern sky, lies the galaxy pair MRK 1034. The two very similar galaxies, named PGC 9074 and PGC 9071, are close enough ...

Jul 03, 2013
4.5 / 5 (4) 2

Astronomers gain new knowledge about early galaxies

The early galaxies of the universe were very different from today's galaxies. Using new detailed studies carried out with the ESO Very Large Telescope and the Hubble Space Telescope, researchers, including ...

Jul 03, 2013
4.9 / 5 (11) 11 | with audio podcast

Astronomers spy on galaxies in the raw

(Phys.org) —A CSIRO radio telescope has detected the raw material for making the first stars in galaxies that formed when the Universe was just three billion years old—less than a quarter of its current ...

Jun 24, 2013
5 / 5 (4) 2 | with audio podcast

Hubble spots a very bright contortionist

(Phys.org) —The contorted object captured by Hubble in this picture is IRAS 22491-1808, also known as the South America Galaxy. It is an ultra-luminous infrared galaxy (ULIRG) that emits a huge amount of ...

Jun 17, 2013
4.8 / 5 (5) 0 | with audio podcast